/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu

Bug Summary

File:	dev/pci/drm/amd/amdgpu/amdgpu_device.c
Warning:	line 5779, column 26 The left operand of '==' is a garbage value

Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name amdgpu_device.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c

/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c

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1/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
*          Alex Deucher
*          Jerome Glisse
*/
28#include <linux/power_supply.h>
29#include <linux/kthread.h>
30#include <linux/module.h>
31#include <linux/console.h>
32#include <linux/slab.h>
33#include <linux/iommu.h>
34#include <linux/pci.h>
35#include <linux/devcoredump.h>
36#include <generated/utsrelease.h>
37#include <linux/pci-p2pdma.h>
38#include <linux/apple-gmux.h>

40#include <drm/drm_aperture.h>
41#include <drm/drm_atomic_helper.h>
42#include <drm/drm_probe_helper.h>
43#include <drm/amdgpu_drm.h>
44#include <linux/device.h>
45#include <linux/vgaarb.h>
46#include <linux/vga_switcheroo.h>
47#include <linux/efi.h>
48#include "amdgpu.h"
49#include "amdgpu_trace.h"
50#include "amdgpu_i2c.h"
51#include "atom.h"
52#include "amdgpu_atombios.h"
53#include "amdgpu_atomfirmware.h"
54#include "amd_pcie.h"
55#ifdef CONFIG_DRM_AMDGPU_SI
56#include "si.h"
57#endif
58#ifdef CONFIG_DRM_AMDGPU_CIK
59#include "cik.h"
60#endif
61#include "vi.h"
62#include "soc15.h"
63#include "nv.h"
64#include "bif/bif_4_1_d.h"
65#include <linux/firmware.h>
66#include "amdgpu_vf_error.h"

68#include "amdgpu_amdkfd.h"
69#include "amdgpu_pm.h"

71#include "amdgpu_xgmi.h"
72#include "amdgpu_ras.h"
73#include "amdgpu_pmu.h"
74#include "amdgpu_fru_eeprom.h"
75#include "amdgpu_reset.h"

77#include <linux/suspend.h>
78#include <drm/task_barrier.h>
79#include <linux/pm_runtime.h>

81#include <drm/drm_drv.h>

83#if IS_ENABLED(CONFIG_X86)1 && defined(__linux__)
84#include <asm/intel-family.h>
85#endif

87MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
88MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
89MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
90MODULE_FIRMWARE("amdgpu/picasso_gpu_info.bin");
91MODULE_FIRMWARE("amdgpu/raven2_gpu_info.bin");
92MODULE_FIRMWARE("amdgpu/arcturus_gpu_info.bin");
93MODULE_FIRMWARE("amdgpu/navi12_gpu_info.bin");

95#define AMDGPU_RESUME_MS2000		2000
96#define AMDGPU_MAX_RETRY_LIMIT2		2
97#define AMDGPU_RETRY_SRIOV_RESET(r)((r) == -16 || (r) == -60 || (r) == -22) ((r) == -EBUSY16 || (r) == -ETIMEDOUT60 || (r) == -EINVAL22)

99static const struct drm_driver amdgpu_kms_driver;

101const char *amdgpu_asic_name[] = {
"TAHITI",
"PITCAIRN",
"VERDE",
"OLAND",
"HAINAN",
"BONAIRE",
"KAVERI",
"KABINI",
"HAWAII",
"MULLINS",
"TOPAZ",
"TONGA",
"FIJI",
"CARRIZO",
"STONEY",
"POLARIS10",
"POLARIS11",
"POLARIS12",
"VEGAM",
"VEGA10",
"VEGA12",
"VEGA20",
"RAVEN",
"ARCTURUS",
"RENOIR",
"ALDEBARAN",
"NAVI10",
"CYAN_SKILLFISH",
"NAVI14",
"NAVI12",
"SIENNA_CICHLID",
"NAVY_FLOUNDER",
"VANGOGH",
"DIMGREY_CAVEFISH",
"BEIGE_GOBY",
"YELLOW_CARP",
"IP DISCOVERY",
"LAST",
140};

142/**
* DOC: pcie_replay_count
*
* The amdgpu driver provides a sysfs API for reporting the total number
* of PCIe replays (NAKs)
* The file pcie_replay_count is used for this and returns the total
* number of replays as a sum of the NAKs generated and NAKs received
*/

151static ssize_t amdgpu_device_get_pcie_replay_count(struct device *dev,
struct device_attribute *attr, char *buf)
153{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
uint64_t cnt = amdgpu_asic_get_pcie_replay_count(adev)((adev)->asic_funcs->get_pcie_replay_count((adev)));

return sysfs_emit(buf, "%llu\n", cnt);
159}

161static DEVICE_ATTR(pcie_replay_count, S_IRUGO,struct device_attribute dev_attr_pcie_replay_count
amdgpu_device_get_pcie_replay_count, NULL)struct device_attribute dev_attr_pcie_replay_count;

164static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev);

166/**
* DOC: product_name
*
* The amdgpu driver provides a sysfs API for reporting the product name
* for the device
* The file serial_number is used for this and returns the product name
* as returned from the FRU.
* NOTE: This is only available for certain server cards
*/

176static ssize_t amdgpu_device_get_product_name(struct device *dev,
struct device_attribute *attr, char *buf)
178{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);

return sysfs_emit(buf, "%s\n", adev->product_name);
183}

185static DEVICE_ATTR(product_name, S_IRUGO,struct device_attribute dev_attr_product_name
amdgpu_device_get_product_name, NULL)struct device_attribute dev_attr_product_name;

188/**
* DOC: product_number
*
* The amdgpu driver provides a sysfs API for reporting the part number
* for the device
* The file serial_number is used for this and returns the part number
* as returned from the FRU.
* NOTE: This is only available for certain server cards
*/

198static ssize_t amdgpu_device_get_product_number(struct device *dev,
struct device_attribute *attr, char *buf)
200{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);

return sysfs_emit(buf, "%s\n", adev->product_number);
205}

207static DEVICE_ATTR(product_number, S_IRUGO,struct device_attribute dev_attr_product_number
amdgpu_device_get_product_number, NULL)struct device_attribute dev_attr_product_number;

210/**
* DOC: serial_number
*
* The amdgpu driver provides a sysfs API for reporting the serial number
* for the device
* The file serial_number is used for this and returns the serial number
* as returned from the FRU.
* NOTE: This is only available for certain server cards
*/

220static ssize_t amdgpu_device_get_serial_number(struct device *dev,
struct device_attribute *attr, char *buf)
222{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);

return sysfs_emit(buf, "%s\n", adev->serial);
227}

229static DEVICE_ATTR(serial_number, S_IRUGO,struct device_attribute dev_attr_serial_number
amdgpu_device_get_serial_number, NULL)struct device_attribute dev_attr_serial_number;

232/**
* amdgpu_device_supports_px - Is the device a dGPU with ATPX power control
*
* @dev: drm_device pointer
*
* Returns true if the device is a dGPU with ATPX power control,
* otherwise return false.
*/
240bool_Bool amdgpu_device_supports_px(struct drm_device *dev)
241{
struct amdgpu_device *adev = drm_to_adev(dev);

if ((adev->flags & AMD_IS_PX) && !amdgpu_is_atpx_hybrid())
return true1;
return false0;
247}

249/**
* amdgpu_device_supports_boco - Is the device a dGPU with ACPI power resources
*
* @dev: drm_device pointer
*
* Returns true if the device is a dGPU with ACPI power control,
* otherwise return false.
*/
257bool_Bool amdgpu_device_supports_boco(struct drm_device *dev)
258{
struct amdgpu_device *adev = drm_to_adev(dev);

if (adev->has_pr3 ||
   ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid()))
return true1;
return false0;
265}

267/**
* amdgpu_device_supports_baco - Does the device support BACO
*
* @dev: drm_device pointer
*
* Returns true if the device supporte BACO,
* otherwise return false.
*/
275bool_Bool amdgpu_device_supports_baco(struct drm_device *dev)
276{
struct amdgpu_device *adev = drm_to_adev(dev);

return amdgpu_asic_supports_baco(adev)(adev)->asic_funcs->supports_baco((adev));
280}

282/**
* amdgpu_device_supports_smart_shift - Is the device dGPU with
* smart shift support
*
* @dev: drm_device pointer
*
* Returns true if the device is a dGPU with Smart Shift support,
* otherwise returns false.
*/
291bool_Bool amdgpu_device_supports_smart_shift(struct drm_device *dev)
292{
return (amdgpu_device_supports_boco(dev) &&
amdgpu_acpi_is_power_shift_control_supported());
295}

297/*
* VRAM access helper functions
*/

301/**
* amdgpu_device_mm_access - access vram by MM_INDEX/MM_DATA
*
* @adev: amdgpu_device pointer
* @pos: offset of the buffer in vram
* @buf: virtual address of the buffer in system memory
* @size: read/write size, sizeof(@buf) must > @size
* @write: true - write to vram, otherwise - read from vram
*/
310void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
	     void *buf, size_t size, bool_Bool write)
312{
unsigned long flags;
uint32_t hi = ~0, tmp = 0;
uint32_t *data = buf;
uint64_t last;
int idx;

if (!drm_dev_enter(adev_to_drm(adev), &idx))
return;

BUG_ON(!IS_ALIGNED(pos, 4) || !IS_ALIGNED(size, 4))((!(!(((pos) & ((4) - 1)) == 0) || !(((size) & ((4) -
 1)) == 0))) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 322, "!(!(((pos) & ((4) - 1)) == 0) || !(((size) & ((4) - 1)) == 0))"
));

spin_lock_irqsave(&adev->mmio_idx_lock, flags)do { flags = 0; mtx_enter(&adev->mmio_idx_lock); } while
 (0);
for (last = pos + size; pos < last; pos += 4) {
tmp = pos >> 31;

WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000)amdgpu_device_wreg(adev, (0x0), (((uint32_t)pos) | 0x80000000
), (1<<1));
if (tmp != hi) {
	WREG32_NO_KIQ(mmMM_INDEX_HI, tmp)amdgpu_device_wreg(adev, (0x6), (tmp), (1<<1));
	hi = tmp;
}
if (write)
	WREG32_NO_KIQ(mmMM_DATA, *data++)amdgpu_device_wreg(adev, (0x1), (*data++), (1<<1));
else
	*data++ = RREG32_NO_KIQ(mmMM_DATA)amdgpu_device_rreg(adev, (0x1), (1<<1));
}

spin_unlock_irqrestore(&adev->mmio_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->mmio_idx_lock); }
 while (0);
drm_dev_exit(idx);
341}

343/**
* amdgpu_device_aper_access - access vram by vram aperature
*
* @adev: amdgpu_device pointer
* @pos: offset of the buffer in vram
* @buf: virtual address of the buffer in system memory
* @size: read/write size, sizeof(@buf) must > @size
* @write: true - write to vram, otherwise - read from vram
*
* The return value means how many bytes have been transferred.
*/
354size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
		 void *buf, size_t size, bool_Bool write)
356{
357#ifdef CONFIG_64BIT1
void __iomem *addr;
size_t count = 0;
uint64_t last;

if (!adev->mman.aper_base_kaddr)
return 0;

last = min(pos + size, adev->gmc.visible_vram_size)(((pos + size)<(adev->gmc.visible_vram_size))?(pos + size
):(adev->gmc.visible_vram_size));
if (last > pos) {
addr = adev->mman.aper_base_kaddr + pos;
count = last - pos;

if (write) {
	memcpy_toio(addr, buf, count)__builtin_memcpy((addr), (buf), (count));
	mb()do { __asm volatile("mfence" ::: "memory"); } while (0);
	amdgpu_device_flush_hdp(adev, NULL((void *)0));
} else {
	amdgpu_device_invalidate_hdp(adev, NULL((void *)0));
	mb()do { __asm volatile("mfence" ::: "memory"); } while (0);
	memcpy_fromio(buf, addr, count)__builtin_memcpy((buf), (addr), (count));
}

}

return count;
383#else
return 0;
385#endif
386}

388/**
* amdgpu_device_vram_access - read/write a buffer in vram
*
* @adev: amdgpu_device pointer
* @pos: offset of the buffer in vram
* @buf: virtual address of the buffer in system memory
* @size: read/write size, sizeof(@buf) must > @size
* @write: true - write to vram, otherwise - read from vram
*/
397void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
	       void *buf, size_t size, bool_Bool write)
399{
size_t count;

/* try to using vram apreature to access vram first */
count = amdgpu_device_aper_access(adev, pos, buf, size, write);
size -= count;
if (size) {
/* using MM to access rest vram */
pos += count;
buf += count;
amdgpu_device_mm_access(adev, pos, buf, size, write);
}
411}

413/*
* register access helper functions.
*/

417/* Check if hw access should be skipped because of hotplug or device error */
418bool_Bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev)
419{
if (adev->no_hw_access)
return true1;

423#ifdef CONFIG_LOCKDEP
/*
* This is a bit complicated to understand, so worth a comment. What we assert
* here is that the GPU reset is not running on another thread in parallel.
*
* For this we trylock the read side of the reset semaphore, if that succeeds
* we know that the reset is not running in paralell.
*
* If the trylock fails we assert that we are either already holding the read
* side of the lock or are the reset thread itself and hold the write side of
* the lock.
*/
if (in_task()) {
if (down_read_trylock(&adev->reset_domain->sem)(rw_enter(&adev->reset_domain->sem, 0x0002UL | 0x0040UL
) == 0))
	up_read(&adev->reset_domain->sem)rw_exit_read(&adev->reset_domain->sem);
else
	lockdep_assert_held(&adev->reset_domain->sem)do { (void)(&adev->reset_domain->sem); } while(0);
}
441#endif
return false0;
443}

445/**
* amdgpu_device_rreg - read a memory mapped IO or indirect register
*
* @adev: amdgpu_device pointer
* @reg: dword aligned register offset
* @acc_flags: access flags which require special behavior
*
* Returns the 32 bit value from the offset specified.
*/
454uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
	    uint32_t reg, uint32_t acc_flags)
456{
uint32_t ret;

if (amdgpu_device_skip_hw_access(adev))
return 0;

if ((reg * 4) < adev->rmmio_size) {
if (!(acc_flags & AMDGPU_REGS_NO_KIQ(1<<1)) &&
    amdgpu_sriov_runtime(adev)((adev)->virt.caps & (1 << 4)) &&
    down_read_trylock(&adev->reset_domain->sem)(rw_enter(&adev->reset_domain->sem, 0x0002UL | 0x0040UL
) == 0)) {
	ret = amdgpu_kiq_rreg(adev, reg);
	up_read(&adev->reset_domain->sem)rw_exit_read(&adev->reset_domain->sem);
} else {
	ret = readl(((void __iomem *)adev->rmmio) + (reg * 4))ioread32(((void *)adev->rmmio) + (reg * 4));
}
} else {
ret = adev->pcie_rreg(adev, reg * 4);
}

trace_amdgpu_device_rreg(adev->pdev->device, reg, ret);

return ret;
478}

480/*
* MMIO register read with bytes helper functions
* @offset:bytes offset from MMIO start
*
484*/

486/**
* amdgpu_mm_rreg8 - read a memory mapped IO register
*
* @adev: amdgpu_device pointer
* @offset: byte aligned register offset
*
* Returns the 8 bit value from the offset specified.
*/
494uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset)
495{
if (amdgpu_device_skip_hw_access(adev))
return 0;

if (offset < adev->rmmio_size)
return (readb(adev->rmmio + offset)ioread8(adev->rmmio + offset));
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 501); } while (0);
502}

504/*
* MMIO register write with bytes helper functions
* @offset:bytes offset from MMIO start
* @value: the value want to be written to the register
*
509*/
510/**
* amdgpu_mm_wreg8 - read a memory mapped IO register
*
* @adev: amdgpu_device pointer
* @offset: byte aligned register offset
* @value: 8 bit value to write
*
* Writes the value specified to the offset specified.
*/
519void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value)
520{
if (amdgpu_device_skip_hw_access(adev))
return;

if (offset < adev->rmmio_size)
writeb(value, adev->rmmio + offset)iowrite8(value, adev->rmmio + offset);
else
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 527); } while (0);
528}

530/**
* amdgpu_device_wreg - write to a memory mapped IO or indirect register
*
* @adev: amdgpu_device pointer
* @reg: dword aligned register offset
* @v: 32 bit value to write to the register
* @acc_flags: access flags which require special behavior
*
* Writes the value specified to the offset specified.
*/
540void amdgpu_device_wreg(struct amdgpu_device *adev,
	uint32_t reg, uint32_t v,
	uint32_t acc_flags)
543{
if (amdgpu_device_skip_hw_access(adev))
return;

if ((reg * 4) < adev->rmmio_size) {
if (!(acc_flags & AMDGPU_REGS_NO_KIQ(1<<1)) &&
    amdgpu_sriov_runtime(adev)((adev)->virt.caps & (1 << 4)) &&
    down_read_trylock(&adev->reset_domain->sem)(rw_enter(&adev->reset_domain->sem, 0x0002UL | 0x0040UL
) == 0)) {
	amdgpu_kiq_wreg(adev, reg, v);
	up_read(&adev->reset_domain->sem)rw_exit_read(&adev->reset_domain->sem);
} else {
	writel(v, ((void __iomem *)adev->rmmio) + (reg * 4))iowrite32(v, ((void *)adev->rmmio) + (reg * 4));
}
} else {
adev->pcie_wreg(adev, reg * 4, v);
}

trace_amdgpu_device_wreg(adev->pdev->device, reg, v);
561}

563/**
* amdgpu_mm_wreg_mmio_rlc -  write register either with direct/indirect mmio or with RLC path if in range
*
* @adev: amdgpu_device pointer
* @reg: mmio/rlc register
* @v: value to write
*
* this function is invoked only for the debugfs register access
*/
572void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
	     uint32_t reg, uint32_t v)
574{
if (amdgpu_device_skip_hw_access(adev))
return;

if (amdgpu_sriov_fullaccess(adev)((((adev))->virt.caps & (1 << 2)) && !((
(adev))->virt.caps & (1 << 4))) &&
   adev->gfx.rlc.funcs &&
   adev->gfx.rlc.funcs->is_rlcg_access_range) {
if (adev->gfx.rlc.funcs->is_rlcg_access_range(adev, reg))
	return amdgpu_sriov_wreg(adev, reg, v, 0, 0);
} else if ((reg * 4) >= adev->rmmio_size) {
adev->pcie_wreg(adev, reg * 4, v);
} else {
writel(v, ((void __iomem *)adev->rmmio) + (reg * 4))iowrite32(v, ((void *)adev->rmmio) + (reg * 4));
}
588}

590/**
* amdgpu_mm_rdoorbell - read a doorbell dword
*
* @adev: amdgpu_device pointer
* @index: doorbell index
*
* Returns the value in the doorbell aperture at the
* requested doorbell index (CIK).
*/
599u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index)
600{
if (amdgpu_device_skip_hw_access(adev))
return 0;

if (index < adev->doorbell.num_doorbells) {
return readl(adev->doorbell.ptr + index)ioread32(adev->doorbell.ptr + index);
} else {
DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index)__drm_err("reading beyond doorbell aperture: 0x%08x!\n", index
);
return 0;
}
610}

612/**
* amdgpu_mm_wdoorbell - write a doorbell dword
*
* @adev: amdgpu_device pointer
* @index: doorbell index
* @v: value to write
*
* Writes @v to the doorbell aperture at the
* requested doorbell index (CIK).
*/
622void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v)
623{
if (amdgpu_device_skip_hw_access(adev))
return;

if (index < adev->doorbell.num_doorbells) {
writel(v, adev->doorbell.ptr + index)iowrite32(v, adev->doorbell.ptr + index);
} else {
DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index)__drm_err("writing beyond doorbell aperture: 0x%08x!\n", index
);
}
632}

634/**
* amdgpu_mm_rdoorbell64 - read a doorbell Qword
*
* @adev: amdgpu_device pointer
* @index: doorbell index
*
* Returns the value in the doorbell aperture at the
* requested doorbell index (VEGA10+).
*/
643u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index)
644{
if (amdgpu_device_skip_hw_access(adev))
return 0;

if (index < adev->doorbell.num_doorbells) {
return atomic64_read((atomic64_t *)(adev->doorbell.ptr + index))({ typeof(*((atomic64_t *)(adev->doorbell.ptr + index))) __tmp
 = *(volatile typeof(*((atomic64_t *)(adev->doorbell.ptr +
 index))) *)&(*((atomic64_t *)(adev->doorbell.ptr + index
))); membar_datadep_consumer(); __tmp; });
} else {
DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index)__drm_err("reading beyond doorbell aperture: 0x%08x!\n", index
);
return 0;
}
654}

656/**
* amdgpu_mm_wdoorbell64 - write a doorbell Qword
*
* @adev: amdgpu_device pointer
* @index: doorbell index
* @v: value to write
*
* Writes @v to the doorbell aperture at the
* requested doorbell index (VEGA10+).
*/
666void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v)
667{
if (amdgpu_device_skip_hw_access(adev))
return;

if (index < adev->doorbell.num_doorbells) {
atomic64_set((atomic64_t *)(adev->doorbell.ptr + index), v)({ typeof(*((atomic64_t *)(adev->doorbell.ptr + index))) __tmp
 = ((v)); *(volatile typeof(*((atomic64_t *)(adev->doorbell
.ptr + index))) *)&(*((atomic64_t *)(adev->doorbell.ptr
 + index))) = __tmp; __tmp; });
} else {
DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index)__drm_err("writing beyond doorbell aperture: 0x%08x!\n", index
);
}
676}

678/**
* amdgpu_device_indirect_rreg - read an indirect register
*
* @adev: amdgpu_device pointer
* @pcie_index: mmio register offset
* @pcie_data: mmio register offset
* @reg_addr: indirect register address to read from
*
* Returns the value of indirect register @reg_addr
*/
688u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
		u32 pcie_index, u32 pcie_data,
		u32 reg_addr)
691{
unsigned long flags;
u32 r;
void __iomem *pcie_index_offset;
void __iomem *pcie_data_offset;

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4;
pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4;

writel(reg_addr, pcie_index_offset)iowrite32(reg_addr, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
r = readl(pcie_data_offset)ioread32(pcie_data_offset);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);

return r;
707}

709/**
* amdgpu_device_indirect_rreg64 - read a 64bits indirect register
*
* @adev: amdgpu_device pointer
* @pcie_index: mmio register offset
* @pcie_data: mmio register offset
* @reg_addr: indirect register address to read from
*
* Returns the value of indirect register @reg_addr
*/
719u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
		  u32 pcie_index, u32 pcie_data,
		  u32 reg_addr)
722{
unsigned long flags;
u64 r;
void __iomem *pcie_index_offset;
void __iomem *pcie_data_offset;

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4;
pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4;

/* read low 32 bits */
writel(reg_addr, pcie_index_offset)iowrite32(reg_addr, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
r = readl(pcie_data_offset)ioread32(pcie_data_offset);
/* read high 32 bits */
writel(reg_addr + 4, pcie_index_offset)iowrite32(reg_addr + 4, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
r |= ((u64)readl(pcie_data_offset)ioread32(pcie_data_offset) << 32);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);

return r;
743}

745/**
* amdgpu_device_indirect_wreg - write an indirect register address
*
* @adev: amdgpu_device pointer
* @pcie_index: mmio register offset
* @pcie_data: mmio register offset
* @reg_addr: indirect register offset
* @reg_data: indirect register data
*
*/
755void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
		 u32 pcie_index, u32 pcie_data,
		 u32 reg_addr, u32 reg_data)
758{
unsigned long flags;
void __iomem *pcie_index_offset;
void __iomem *pcie_data_offset;

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4;
pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4;

writel(reg_addr, pcie_index_offset)iowrite32(reg_addr, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
writel(reg_data, pcie_data_offset)iowrite32(reg_data, pcie_data_offset);
readl(pcie_data_offset)ioread32(pcie_data_offset);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);
772}

774/**
* amdgpu_device_indirect_wreg64 - write a 64bits indirect register address
*
* @adev: amdgpu_device pointer
* @pcie_index: mmio register offset
* @pcie_data: mmio register offset
* @reg_addr: indirect register offset
* @reg_data: indirect register data
*
*/
784void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
		   u32 pcie_index, u32 pcie_data,
		   u32 reg_addr, u64 reg_data)
787{
unsigned long flags;
void __iomem *pcie_index_offset;
void __iomem *pcie_data_offset;

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
pcie_index_offset = (void __iomem *)adev->rmmio + pcie_index * 4;
pcie_data_offset = (void __iomem *)adev->rmmio + pcie_data * 4;

/* write low 32 bits */
writel(reg_addr, pcie_index_offset)iowrite32(reg_addr, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
writel((u32)(reg_data & 0xffffffffULL), pcie_data_offset)iowrite32((u32)(reg_data & 0xffffffffULL), pcie_data_offset
);
readl(pcie_data_offset)ioread32(pcie_data_offset);
/* write high 32 bits */
writel(reg_addr + 4, pcie_index_offset)iowrite32(reg_addr + 4, pcie_index_offset);
readl(pcie_index_offset)ioread32(pcie_index_offset);
writel((u32)(reg_data >> 32), pcie_data_offset)iowrite32((u32)(reg_data >> 32), pcie_data_offset);
readl(pcie_data_offset)ioread32(pcie_data_offset);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);
807}

809/**
* amdgpu_invalid_rreg - dummy reg read function
*
* @adev: amdgpu_device pointer
* @reg: offset of register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
* Returns the value in the register.
*/
819static uint32_t amdgpu_invalid_rreg(struct amdgpu_device *adev, uint32_t reg)
820{
DRM_ERROR("Invalid callback to read register 0x%04X\n", reg)__drm_err("Invalid callback to read register 0x%04X\n", reg);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 822); } while (0);
return 0;
824}

826/**
* amdgpu_invalid_wreg - dummy reg write function
*
* @adev: amdgpu_device pointer
* @reg: offset of register
* @v: value to write to the register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
*/
836static void amdgpu_invalid_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
837{
DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",__drm_err("Invalid callback to write register 0x%04X with 0x%08X\n"
, reg, v)
  reg, v)__drm_err("Invalid callback to write register 0x%04X with 0x%08X\n"
, reg, v);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 840); } while (0);
841}

843/**
* amdgpu_invalid_rreg64 - dummy 64 bit reg read function
*
* @adev: amdgpu_device pointer
* @reg: offset of register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
* Returns the value in the register.
*/
853static uint64_t amdgpu_invalid_rreg64(struct amdgpu_device *adev, uint32_t reg)
854{
DRM_ERROR("Invalid callback to read 64 bit register 0x%04X\n", reg)__drm_err("Invalid callback to read 64 bit register 0x%04X\n"
, reg);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 856); } while (0);
return 0;
858}

860/**
* amdgpu_invalid_wreg64 - dummy reg write function
*
* @adev: amdgpu_device pointer
* @reg: offset of register
* @v: value to write to the register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
*/
870static void amdgpu_invalid_wreg64(struct amdgpu_device *adev, uint32_t reg, uint64_t v)
871{
DRM_ERROR("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n",__drm_err("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n"
, reg, v)
  reg, v)__drm_err("Invalid callback to write 64 bit register 0x%04X with 0x%08llX\n"
, reg, v);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 874); } while (0);
875}

877/**
* amdgpu_block_invalid_rreg - dummy reg read function
*
* @adev: amdgpu_device pointer
* @block: offset of instance
* @reg: offset of register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
* Returns the value in the register.
*/
888static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device *adev,
			  uint32_t block, uint32_t reg)
890{
DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n",__drm_err("Invalid callback to read register 0x%04X in block 0x%04X\n"
, reg, block)
  reg, block)__drm_err("Invalid callback to read register 0x%04X in block 0x%04X\n"
, reg, block);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 893); } while (0);
return 0;
895}

897/**
* amdgpu_block_invalid_wreg - dummy reg write function
*
* @adev: amdgpu_device pointer
* @block: offset of instance
* @reg: offset of register
* @v: value to write to the register
*
* Dummy register read function.  Used for register blocks
* that certain asics don't have (all asics).
*/
908static void amdgpu_block_invalid_wreg(struct amdgpu_device *adev,
		      uint32_t block,
		      uint32_t reg, uint32_t v)
911{
DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n",__drm_err("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n"
, reg, block, v)
  reg, block, v)__drm_err("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n"
, reg, block, v);
BUG()do { panic("BUG at %s:%d", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 914); } while (0);
915}

917/**
* amdgpu_device_asic_init - Wrapper for atom asic_init
*
* @adev: amdgpu_device pointer
*
* Does any asic specific work and then calls atom asic init.
*/
924static int amdgpu_device_asic_init(struct amdgpu_device *adev)
925{
amdgpu_asic_pre_asic_init(adev)(adev)->asic_funcs->pre_asic_init((adev));

if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(11, 0, 0)(((11) << 16) | ((0) << 8) | (0)))
return amdgpu_atomfirmware_asic_init(adev, true1);
else
return amdgpu_atom_asic_init(adev->mode_info.atom_context);
932}

934/**
* amdgpu_device_vram_scratch_init - allocate the VRAM scratch page
*
* @adev: amdgpu_device pointer
*
* Allocates a scratch page of VRAM for use by various things in the
* driver.
*/
942static int amdgpu_device_vram_scratch_init(struct amdgpu_device *adev)
943{
return amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_SIZE4096,
		       PAGE_SIZE(1 << 12), AMDGPU_GEM_DOMAIN_VRAM0x4,
		       &adev->vram_scratch.robj,
		       &adev->vram_scratch.gpu_addr,
		       (void **)&adev->vram_scratch.ptr);
949}

951/**
* amdgpu_device_vram_scratch_fini - Free the VRAM scratch page
*
* @adev: amdgpu_device pointer
*
* Frees the VRAM scratch page.
*/
958static void amdgpu_device_vram_scratch_fini(struct amdgpu_device *adev)
959{
amdgpu_bo_free_kernel(&adev->vram_scratch.robj, NULL((void *)0), NULL((void *)0));
961}

963/**
* amdgpu_device_program_register_sequence - program an array of registers.
*
* @adev: amdgpu_device pointer
* @registers: pointer to the register array
* @array_size: size of the register array
*
* Programs an array or registers with and and or masks.
* This is a helper for setting golden registers.
*/
973void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
			     const u32 *registers,
			     const u32 array_size)
976{
u32 tmp, reg, and_mask, or_mask;
int i;

if (array_size % 3)
return;

for (i = 0; i < array_size; i +=3) {
reg = registers[i + 0];
and_mask = registers[i + 1];
or_mask = registers[i + 2];

if (and_mask == 0xffffffff) {
	tmp = or_mask;
} else {
	tmp = RREG32(reg)amdgpu_device_rreg(adev, (reg), 0);
	tmp &= ~and_mask;
	if (adev->family >= AMDGPU_FAMILY_AI141)
		tmp |= (or_mask & and_mask);
	else
		tmp |= or_mask;
}
WREG32(reg, tmp)amdgpu_device_wreg(adev, (reg), (tmp), 0);
}
1000}

1002/**
* amdgpu_device_pci_config_reset - reset the GPU
*
* @adev: amdgpu_device pointer
*
* Resets the GPU using the pci config reset sequence.
* Only applicable to asics prior to vega10.
*/
1010void amdgpu_device_pci_config_reset(struct amdgpu_device *adev)
1011{
pci_write_config_dword(adev->pdev, 0x7c, AMDGPU_ASIC_RESET_DATA0x39d5e86b);
1013}

1015/**
* amdgpu_device_pci_reset - reset the GPU using generic PCI means
*
* @adev: amdgpu_device pointer
*
* Resets the GPU using generic pci reset interfaces (FLR, SBR, etc.).
*/
1022int amdgpu_device_pci_reset(struct amdgpu_device *adev)
1023{
STUB()do { printf("%s: stub\n", __func__); } while(0);
return -ENOSYS78;
1026#ifdef notyet
return pci_reset_function(adev->pdev);
1028#endif
1029}

1031/*
* GPU doorbell aperture helpers function.
*/
1034/**
* amdgpu_device_doorbell_init - Init doorbell driver information.
*
* @adev: amdgpu_device pointer
*
* Init doorbell driver information (CIK)
* Returns 0 on success, error on failure.
*/
1042static int amdgpu_device_doorbell_init(struct amdgpu_device *adev)
1043{

/* No doorbell on SI hardware generation */
if (adev->asic_type < CHIP_BONAIRE) {
adev->doorbell.base = 0;
adev->doorbell.size = 0;
adev->doorbell.num_doorbells = 0;
adev->doorbell.ptr = NULL((void *)0);
return 0;
}

1054#ifdef __linux__
if (pci_resource_flags(adev->pdev, 2) & IORESOURCE_UNSET)
return -EINVAL22;
1057#endif

amdgpu_asic_init_doorbell_index(adev)(adev)->asic_funcs->init_doorbell_index((adev));

/* doorbell bar mapping */
1062#ifdef __linux__
adev->doorbell.base = pci_resource_start(adev->pdev, 2);
adev->doorbell.size = pci_resource_len(adev->pdev, 2);
1065#endif

if (adev->enable_mes) {
adev->doorbell.num_doorbells =
	adev->doorbell.size / sizeof(u32);
} else {
adev->doorbell.num_doorbells =
	min_t(u32, adev->doorbell.size / sizeof(u32),({ u32 __min_a = (adev->doorbell.size / sizeof(u32)); u32 __min_b
 = (adev->doorbell_index.max_assignment+1); __min_a < __min_b
 ? __min_a : __min_b; })
	      adev->doorbell_index.max_assignment+1)({ u32 __min_a = (adev->doorbell.size / sizeof(u32)); u32 __min_b
 = (adev->doorbell_index.max_assignment+1); __min_a < __min_b
 ? __min_a : __min_b; });
if (adev->doorbell.num_doorbells == 0)
	return -EINVAL22;

/* For Vega, reserve and map two pages on doorbell BAR since SDMA
 * paging queue doorbell use the second page. The
 * AMDGPU_DOORBELL64_MAX_ASSIGNMENT definition assumes all the
 * doorbells are in the first page. So with paging queue enabled,
 * the max num_doorbells should + 1 page (0x400 in dword)
 */
if (adev->asic_type >= CHIP_VEGA10)
	adev->doorbell.num_doorbells += 0x400;
}

1087#ifdef __linux__
adev->doorbell.ptr = ioremap(adev->doorbell.base,
		     adev->doorbell.num_doorbells *
		     sizeof(u32));
if (adev->doorbell.ptr == NULL((void *)0))
return -ENOMEM12;
1093#endif

return 0;
1096}

1098/**
* amdgpu_device_doorbell_fini - Tear down doorbell driver information.
*
* @adev: amdgpu_device pointer
*
* Tear down doorbell driver information (CIK)
*/
1105static void amdgpu_device_doorbell_fini(struct amdgpu_device *adev)
1106{
1107#ifdef __linux__
iounmap(adev->doorbell.ptr);
1109#else
if (adev->doorbell.size > 0)
bus_space_unmap(adev->doorbell.bst, adev->doorbell.bsh,
    adev->doorbell.size);
1113#endif
adev->doorbell.ptr = NULL((void *)0);
1115}



1119/*
* amdgpu_device_wb_*()
* Writeback is the method by which the GPU updates special pages in memory
* with the status of certain GPU events (fences, ring pointers,etc.).
*/

1125/**
* amdgpu_device_wb_fini - Disable Writeback and free memory
*
* @adev: amdgpu_device pointer
*
* Disables Writeback and frees the Writeback memory (all asics).
* Used at driver shutdown.
*/
1133static void amdgpu_device_wb_fini(struct amdgpu_device *adev)
1134{
if (adev->wb.wb_obj) {
amdgpu_bo_free_kernel(&adev->wb.wb_obj,
		      &adev->wb.gpu_addr,
		      (void **)&adev->wb.wb);
adev->wb.wb_obj = NULL((void *)0);
}
1141}

1143/**
* amdgpu_device_wb_init - Init Writeback driver info and allocate memory
*
* @adev: amdgpu_device pointer
*
* Initializes writeback and allocates writeback memory (all asics).
* Used at driver startup.
* Returns 0 on success or an -error on failure.
*/
1152static int amdgpu_device_wb_init(struct amdgpu_device *adev)
1153{
int r;

if (adev->wb.wb_obj == NULL((void *)0)) {
/* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */
r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB256 * sizeof(uint32_t) * 8,
			    PAGE_SIZE(1 << 12), AMDGPU_GEM_DOMAIN_GTT0x2,
			    &adev->wb.wb_obj, &adev->wb.gpu_addr,
			    (void **)&adev->wb.wb);
if (r) {
	dev_warn(adev->dev, "(%d) create WB bo failed\n", r)printf("drm:pid%d:%s *WARNING* " "(%d) create WB bo failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r);
	return r;
}

adev->wb.num_wb = AMDGPU_MAX_WB256;
memset(&adev->wb.used, 0, sizeof(adev->wb.used))__builtin_memset((&adev->wb.used), (0), (sizeof(adev->
wb.used)));

/* clear wb memory */
memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t) * 8)__builtin_memset(((char *)adev->wb.wb), (0), (256 * sizeof
(uint32_t) * 8));
}

return 0;
1175}

1177/**
* amdgpu_device_wb_get - Allocate a wb entry
*
* @adev: amdgpu_device pointer
* @wb: wb index
*
* Allocate a wb slot for use by the driver (all asics).
* Returns 0 on success or -EINVAL on failure.
*/
1186int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb)
1187{
unsigned long offset = find_first_zero_bit(adev->wb.used, adev->wb.num_wb);

if (offset < adev->wb.num_wb) {
__set_bit(offset, adev->wb.used);
*wb = offset << 3; /* convert to dw offset */
return 0;
} else {
return -EINVAL22;
}
1197}

1199/**
* amdgpu_device_wb_free - Free a wb entry
*
* @adev: amdgpu_device pointer
* @wb: wb index
*
* Free a wb slot allocated for use by the driver (all asics)
*/
1207void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb)
1208{
wb >>= 3;
if (wb < adev->wb.num_wb)
__clear_bit(wb, adev->wb.used);
1212}

1214/**
* amdgpu_device_resize_fb_bar - try to resize FB BAR
*
* @adev: amdgpu_device pointer
*
* Try to resize FB BAR to make all VRAM CPU accessible. We try very hard not
* to fail, but if any of the BARs is not accessible after the size we abort
* driver loading by returning -ENODEV.
*/
1223int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev)
1224{
1225#ifdef __linux__
int rbar_size = pci_rebar_bytes_to_size(adev->gmc.real_vram_size);
struct pci_bus *root;
struct resource *res;
unsigned i;
u16 cmd;
int r;

if (!IS_ENABLED(CONFIG_PHYS_ADDR_T_64BIT)0)
return 0;

/* Bypass for VF */
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
return 0;

/* skip if the bios has already enabled large BAR */
if (adev->gmc.real_vram_size &&
   (pci_resource_len(adev->pdev, 0) >= adev->gmc.real_vram_size))
return 0;

/* Check if the root BUS has 64bit memory resources */
root = adev->pdev->bus;
while (root->parent)
root = root->parent;

pci_bus_for_each_resource(root, res, i) {
if (res && res->flags & (IORESOURCE_MEM0x0001 | IORESOURCE_MEM_64) &&
    res->start > 0x100000000ull)
	break;
}

/* Trying to resize is pointless without a root hub window above 4GB */
if (!res)
return 0;

/* Limit the BAR size to what is available */
rbar_size = min(fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1,(((fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1)<
(rbar_size))?(fls(pci_rebar_get_possible_sizes(adev->pdev,
 0)) - 1):(rbar_size))
	rbar_size)(((fls(pci_rebar_get_possible_sizes(adev->pdev, 0)) - 1)<
(rbar_size))?(fls(pci_rebar_get_possible_sizes(adev->pdev,
 0)) - 1):(rbar_size));

/* Disable memory decoding while we change the BAR addresses and size */
pci_read_config_word(adev->pdev, PCI_COMMAND0x04, &cmd);
pci_write_config_word(adev->pdev, PCI_COMMAND0x04,
	      cmd & ~PCI_COMMAND_MEMORY0x00000002);

/* Free the VRAM and doorbell BAR, we most likely need to move both. */
amdgpu_device_doorbell_fini(adev);
if (adev->asic_type >= CHIP_BONAIRE)
pci_release_resource(adev->pdev, 2);

pci_release_resource(adev->pdev, 0);

r = pci_resize_resource(adev->pdev, 0, rbar_size);
if (r == -ENOSPC28)
DRM_INFO("Not enough PCI address space for a large BAR.")printk("\0016" "[" "drm" "] " "Not enough PCI address space for a large BAR."
);
else if (r && r != -ENOTSUPP91)
DRM_ERROR("Problem resizing BAR0 (%d).", r)__drm_err("Problem resizing BAR0 (%d).", r);

pci_assign_unassigned_bus_resources(adev->pdev->bus);

/* When the doorbell or fb BAR isn't available we have no chance of
* using the device.
*/
r = amdgpu_device_doorbell_init(adev);
if (r || (pci_resource_flags(adev->pdev, 0) & IORESOURCE_UNSET))
return -ENODEV19;

pci_write_config_word(adev->pdev, PCI_COMMAND0x04, cmd);
1292#endif /* __linux__ */

return 0;
1295}

1297/*
* GPU helpers function.
*/
1300/**
* amdgpu_device_need_post - check if the hw need post or not
*
* @adev: amdgpu_device pointer
*
* Check if the asic has been initialized (all asics) at driver startup
* or post is needed if  hw reset is performed.
* Returns true if need or false if not.
*/
1309bool_Bool amdgpu_device_need_post(struct amdgpu_device *adev)
1310{
uint32_t reg;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
return false0;

if (amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3))) {
/* for FIJI: In whole GPU pass-through virtualization case, after VM reboot
 * some old smc fw still need driver do vPost otherwise gpu hang, while
 * those smc fw version above 22.15 doesn't have this flaw, so we force
 * vpost executed for smc version below 22.15
 */
if (adev->asic_type == CHIP_FIJI) {
	int err;
	uint32_t fw_ver;
	err = request_firmware(&adev->pm.fw, "amdgpu/fiji_smc.bin", adev->dev);
	/* force vPost if error occured */
	if (err)
		return true1;

	fw_ver = *((uint32_t *)adev->pm.fw->data + 69);
	if (fw_ver < 0x00160e00)
		return true1;
}
}

/* Don't post if we need to reset whole hive on init */
if (adev->gmc.xgmi.pending_reset)
return false0;

if (adev->has_hw_reset) {
adev->has_hw_reset = false0;
return true1;
}

/* bios scratch used on CIK+ */
if (adev->asic_type >= CHIP_BONAIRE)
return amdgpu_atombios_scratch_need_asic_init(adev);

/* check MEM_SIZE for older asics */
reg = amdgpu_asic_get_config_memsize(adev)(adev)->asic_funcs->get_config_memsize((adev));

if ((reg != 0) && (reg != 0xffffffff))
return false0;

return true1;
1356}

1358/*
* Intel hosts such as Raptor Lake and Sapphire Rapids don't support dynamic
* speed switching. Until we have confirmation from Intel that a specific host
* supports it, it's safer that we keep it disabled for all.
*
* https://edc.intel.com/content/www/us/en/design/products/platforms/details/raptor-lake-s/13th-generation-core-processors-datasheet-volume-1-of-2/005/pci-express-support/
* https://gitlab.freedesktop.org/drm/amd/-/issues/2663
*/
1366bool_Bool amdgpu_device_pcie_dynamic_switching_supported(void)
1367{
1368#if IS_ENABLED(CONFIG_X86)1
1369#ifdef __linux__
struct cpuinfo_x86 *c = &cpu_data(0);

if (c->x86_vendor == X86_VENDOR_INTEL)
1373#else
if (strcmp(cpu_vendor, "GenuineIntel") == 0)
1375#endif
return false0;
1377#endif
return true1;
1379}

1381/**
* amdgpu_device_should_use_aspm - check if the device should program ASPM
*
* @adev: amdgpu_device pointer
*
* Confirm whether the module parameter and pcie bridge agree that ASPM should
* be set for this device.
*
* Returns true if it should be used or false if not.
*/
1391bool_Bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev)
1392{
switch (amdgpu_aspm) {
case -1:
break;
case 0:
return false0;
case 1:
return true1;
default:
return false0;
}
return pcie_aspm_enabled(adev->pdev);
1404}

1406bool_Bool amdgpu_device_aspm_support_quirk(void)
1407{
1408#if IS_ENABLED(CONFIG_X86)1
struct cpu_info *ci = curcpu()({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;});

return !(ci->ci_family == 6 && ci->ci_model == 0x97);
1412#else
return true1;
1414#endif
1415}

1417/* if we get transitioned to only one device, take VGA back */
1418/**
* amdgpu_device_vga_set_decode - enable/disable vga decode
*
* @pdev: PCI device pointer
* @state: enable/disable vga decode
*
* Enable/disable vga decode (all asics).
* Returns VGA resource flags.
*/
1427#ifdef notyet
1428static unsigned int amdgpu_device_vga_set_decode(struct pci_dev *pdev,
bool_Bool state)
1430{
struct amdgpu_device *adev = drm_to_adev(pci_get_drvdata(pdev));
amdgpu_asic_set_vga_state(adev, state)(adev)->asic_funcs->set_vga_state((adev), (state));
if (state)
return VGA_RSRC_LEGACY_IO0x01 | VGA_RSRC_LEGACY_MEM |
       VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
else
return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
1438}
1439#endif

1441/**
* amdgpu_device_check_block_size - validate the vm block size
*
* @adev: amdgpu_device pointer
*
* Validates the vm block size specified via module parameter.
* The vm block size defines number of bits in page table versus page directory,
* a page is 4KB so we have 12 bits offset, minimum 9 bits in the
* page table and the remaining bits are in the page directory.
*/
1451static void amdgpu_device_check_block_size(struct amdgpu_device *adev)
1452{
/* defines number of bits in page table versus page directory,
* a page is 4KB so we have 12 bits offset, minimum 9 bits in the
* page table and the remaining bits are in the page directory */
if (amdgpu_vm_block_size == -1)
return;

if (amdgpu_vm_block_size < 9) {
dev_warn(adev->dev, "VM page table size (%d) too small\n",printf("drm:pid%d:%s *WARNING* " "VM page table size (%d) too small\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_vm_block_size
)
	 amdgpu_vm_block_size)printf("drm:pid%d:%s *WARNING* " "VM page table size (%d) too small\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_vm_block_size
);
amdgpu_vm_block_size = -1;
}
1464}

1466/**
* amdgpu_device_check_vm_size - validate the vm size
*
* @adev: amdgpu_device pointer
*
* Validates the vm size in GB specified via module parameter.
* The VM size is the size of the GPU virtual memory space in GB.
*/
1474static void amdgpu_device_check_vm_size(struct amdgpu_device *adev)
1475{
/* no need to check the default value */
if (amdgpu_vm_size == -1)
return;

if (amdgpu_vm_size < 1) {
dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n",printf("drm:pid%d:%s *WARNING* " "VM size (%d) too small, min is 1GB\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_vm_size
)
	 amdgpu_vm_size)printf("drm:pid%d:%s *WARNING* " "VM size (%d) too small, min is 1GB\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_vm_size
);
amdgpu_vm_size = -1;
}
1485}

1487static void amdgpu_device_check_smu_prv_buffer_size(struct amdgpu_device *adev)
1488{
1489#ifdef __linux__
struct sysinfo si;
1491#endif
bool_Bool is_os_64 = (sizeof(void *) == 8);
uint64_t total_memory;
uint64_t dram_size_seven_GB = 0x1B8000000;
uint64_t dram_size_three_GB = 0xB8000000;

if (amdgpu_smu_memory_pool_size == 0)
return;

if (!is_os_64) {
DRM_WARN("Not 64-bit OS, feature not supported\n")printk("\0014" "[" "drm" "] " "Not 64-bit OS, feature not supported\n"
);
goto def_value;
}
1504#ifdef __linux__
si_meminfo(&si);
total_memory = (uint64_t)si.totalram * si.mem_unit;
1507#else
total_memory = ptoa(physmem)((paddr_t)(physmem) << 12);
1509#endif

if ((amdgpu_smu_memory_pool_size == 1) ||
(amdgpu_smu_memory_pool_size == 2)) {
if (total_memory < dram_size_three_GB)
	goto def_value1;
} else if ((amdgpu_smu_memory_pool_size == 4) ||
(amdgpu_smu_memory_pool_size == 8)) {
if (total_memory < dram_size_seven_GB)
	goto def_value1;
} else {
DRM_WARN("Smu memory pool size not supported\n")printk("\0014" "[" "drm" "] " "Smu memory pool size not supported\n"
);
goto def_value;
}
adev->pm.smu_prv_buffer_size = amdgpu_smu_memory_pool_size << 28;

return;

1527def_value1:
DRM_WARN("No enough system memory\n")printk("\0014" "[" "drm" "] " "No enough system memory\n");
1529def_value:
adev->pm.smu_prv_buffer_size = 0;
1531}

1533static int amdgpu_device_init_apu_flags(struct amdgpu_device *adev)
1534{
if (!(adev->flags & AMD_IS_APU) ||
   adev->asic_type < CHIP_RAVEN)
return 0;

switch (adev->asic_type) {
case CHIP_RAVEN:
if (adev->pdev->device == 0x15dd)
	adev->apu_flags |= AMD_APU_IS_RAVEN;
if (adev->pdev->device == 0x15d8)
	adev->apu_flags |= AMD_APU_IS_PICASSO;
break;
case CHIP_RENOIR:
if ((adev->pdev->device == 0x1636) ||
    (adev->pdev->device == 0x164c))
	adev->apu_flags |= AMD_APU_IS_RENOIR;
else
	adev->apu_flags |= AMD_APU_IS_GREEN_SARDINE;
break;
case CHIP_VANGOGH:
adev->apu_flags |= AMD_APU_IS_VANGOGH;
break;
case CHIP_YELLOW_CARP:
break;
case CHIP_CYAN_SKILLFISH:
if ((adev->pdev->device == 0x13FE) ||
    (adev->pdev->device == 0x143F))
	adev->apu_flags |= AMD_APU_IS_CYAN_SKILLFISH2;
break;
default:
break;
}

return 0;
1568}

1570/**
* amdgpu_device_check_arguments - validate module params
*
* @adev: amdgpu_device pointer
*
* Validates certain module parameters and updates
* the associated values used by the driver (all asics).
*/
1578static int amdgpu_device_check_arguments(struct amdgpu_device *adev)
1579{
if (amdgpu_sched_jobs < 4) {
dev_warn(adev->dev, "sched jobs (%d) must be at least 4\n",printf("drm:pid%d:%s *WARNING* " "sched jobs (%d) must be at least 4\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_jobs
)
	 amdgpu_sched_jobs)printf("drm:pid%d:%s *WARNING* " "sched jobs (%d) must be at least 4\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_jobs
);
amdgpu_sched_jobs = 4;
} else if (!is_power_of_2(amdgpu_sched_jobs)(((amdgpu_sched_jobs) != 0) && (((amdgpu_sched_jobs) -
 1) & (amdgpu_sched_jobs)) == 0)){
dev_warn(adev->dev, "sched jobs (%d) must be a power of 2\n",printf("drm:pid%d:%s *WARNING* " "sched jobs (%d) must be a power of 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_jobs
)
	 amdgpu_sched_jobs)printf("drm:pid%d:%s *WARNING* " "sched jobs (%d) must be a power of 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_jobs
);
amdgpu_sched_jobs = roundup_pow_of_two(amdgpu_sched_jobs);
}

if (amdgpu_gart_size != -1 && amdgpu_gart_size < 32) {
/* gart size must be greater or equal to 32M */
dev_warn(adev->dev, "gart size (%d) too small\n",printf("drm:pid%d:%s *WARNING* " "gart size (%d) too small\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_gart_size
)
	 amdgpu_gart_size)printf("drm:pid%d:%s *WARNING* " "gart size (%d) too small\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_gart_size
);
amdgpu_gart_size = -1;
}

if (amdgpu_gtt_size != -1 && amdgpu_gtt_size < 32) {
/* gtt size must be greater or equal to 32M */
dev_warn(adev->dev, "gtt size (%d) too small\n",printf("drm:pid%d:%s *WARNING* " "gtt size (%d) too small\n",
 ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_gtt_size
)
		 amdgpu_gtt_size)printf("drm:pid%d:%s *WARNING* " "gtt size (%d) too small\n",
 ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_gtt_size
);
amdgpu_gtt_size = -1;
}

/* valid range is between 4 and 9 inclusive */
if (amdgpu_vm_fragment_size != -1 &&
   (amdgpu_vm_fragment_size > 9 || amdgpu_vm_fragment_size < 4)) {
dev_warn(adev->dev, "valid range is between 4 and 9\n")printf("drm:pid%d:%s *WARNING* " "valid range is between 4 and 9\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
amdgpu_vm_fragment_size = -1;
}

if (amdgpu_sched_hw_submission < 2) {
dev_warn(adev->dev, "sched hw submission jobs (%d) must be at least 2\n",printf("drm:pid%d:%s *WARNING* " "sched hw submission jobs (%d) must be at least 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_hw_submission
)
	 amdgpu_sched_hw_submission)printf("drm:pid%d:%s *WARNING* " "sched hw submission jobs (%d) must be at least 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_hw_submission
);
amdgpu_sched_hw_submission = 2;
} else if (!is_power_of_2(amdgpu_sched_hw_submission)(((amdgpu_sched_hw_submission) != 0) && (((amdgpu_sched_hw_submission
) - 1) & (amdgpu_sched_hw_submission)) == 0)) {
dev_warn(adev->dev, "sched hw submission jobs (%d) must be a power of 2\n",printf("drm:pid%d:%s *WARNING* " "sched hw submission jobs (%d) must be a power of 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_hw_submission
)
	 amdgpu_sched_hw_submission)printf("drm:pid%d:%s *WARNING* " "sched hw submission jobs (%d) must be a power of 2\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , amdgpu_sched_hw_submission
);
amdgpu_sched_hw_submission = roundup_pow_of_two(amdgpu_sched_hw_submission);
}

if (amdgpu_reset_method < -1 || amdgpu_reset_method > 4) {
dev_warn(adev->dev, "invalid option for reset method, reverting to default\n")printf("drm:pid%d:%s *WARNING* " "invalid option for reset method, reverting to default\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
amdgpu_reset_method = -1;
}

amdgpu_device_check_smu_prv_buffer_size(adev);

amdgpu_device_check_vm_size(adev);

amdgpu_device_check_block_size(adev);

adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);

return 0;
1635}

1637#ifdef __linux__
1638/**
* amdgpu_switcheroo_set_state - set switcheroo state
*
* @pdev: pci dev pointer
* @state: vga_switcheroo state
*
* Callback for the switcheroo driver.  Suspends or resumes the
* the asics before or after it is powered up using ACPI methods.
*/
1647static void amdgpu_switcheroo_set_state(struct pci_dev *pdev,
			enum vga_switcheroo_state state)
1649{
struct drm_device *dev = pci_get_drvdata(pdev);
int r;

if (amdgpu_device_supports_px(dev) && state == VGA_SWITCHEROO_OFF)
return;

if (state == VGA_SWITCHEROO_ON) {
pr_info("switched on\n")do { } while(0);
/* don't suspend or resume card normally */
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;

pci_set_power_state(pdev, PCI_D0);
amdgpu_device_load_pci_state(pdev);
r = pci_enable_device(pdev);
if (r)
	DRM_WARN("pci_enable_device failed (%d)\n", r)printk("\0014" "[" "drm" "] " "pci_enable_device failed (%d)\n"
, r);
amdgpu_device_resume(dev, true1);

dev->switch_power_state = DRM_SWITCH_POWER_ON;
} else {
pr_info("switched off\n")do { } while(0);
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
amdgpu_device_suspend(dev, true1);
amdgpu_device_cache_pci_state(pdev);
/* Shut down the device */
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3cold);
dev->switch_power_state = DRM_SWITCH_POWER_OFF;
}
1679}

1681/**
* amdgpu_switcheroo_can_switch - see if switcheroo state can change
*
* @pdev: pci dev pointer
*
* Callback for the switcheroo driver.  Check of the switcheroo
* state can be changed.
* Returns true if the state can be changed, false if not.
*/
1690static bool_Bool amdgpu_switcheroo_can_switch(struct pci_dev *pdev)
1691{
struct drm_device *dev = pci_get_drvdata(pdev);

/*
* FIXME: open_count is protected by drm_global_mutex but that would lead to
* locking inversion with the driver load path. And the access here is
* completely racy anyway. So don't bother with locking for now.
*/
return atomic_read(&dev->open_count)({ typeof(*(&dev->open_count)) __tmp = *(volatile typeof
(*(&dev->open_count)) *)&(*(&dev->open_count
)); membar_datadep_consumer(); __tmp; }) == 0;
1700}
1701#endif /* __linux__ */

1703static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops = {
1704#ifdef notyet
.set_gpu_state = amdgpu_switcheroo_set_state,
.reprobe = NULL((void *)0),
.can_switch = amdgpu_switcheroo_can_switch,
1708#endif
1709};

1711/**
* amdgpu_device_ip_set_clockgating_state - set the CG state
*
* @dev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
* @state: clockgating state (gate or ungate)
*
* Sets the requested clockgating state for all instances of
* the hardware IP specified.
* Returns the error code from the last instance.
*/
1722int amdgpu_device_ip_set_clockgating_state(void *dev,
			   enum amd_ip_block_type block_type,
			   enum amd_clockgating_state state)
1725{
struct amdgpu_device *adev = dev;
int i, r = 0;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->type != block_type)
	continue;
if (!adev->ip_blocks[i].version->funcs->set_clockgating_state)
	continue;
r = adev->ip_blocks[i].version->funcs->set_clockgating_state(
	(void *)adev, state);
if (r)
	DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n",__drm_err("set_clockgating_state of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("set_clockgating_state of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
}
return r;
1743}

1745/**
* amdgpu_device_ip_set_powergating_state - set the PG state
*
* @dev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
* @state: powergating state (gate or ungate)
*
* Sets the requested powergating state for all instances of
* the hardware IP specified.
* Returns the error code from the last instance.
*/
1756int amdgpu_device_ip_set_powergating_state(void *dev,
			   enum amd_ip_block_type block_type,
			   enum amd_powergating_state state)
1759{
struct amdgpu_device *adev = dev;
int i, r = 0;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->type != block_type)
	continue;
if (!adev->ip_blocks[i].version->funcs->set_powergating_state)
	continue;
r = adev->ip_blocks[i].version->funcs->set_powergating_state(
	(void *)adev, state);
if (r)
	DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n",__drm_err("set_powergating_state of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("set_powergating_state of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
}
return r;
1777}

1779/**
* amdgpu_device_ip_get_clockgating_state - get the CG state
*
* @adev: amdgpu_device pointer
* @flags: clockgating feature flags
*
* Walks the list of IPs on the device and updates the clockgating
* flags for each IP.
* Updates @flags with the feature flags for each hardware IP where
* clockgating is enabled.
*/
1790void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
			    u64 *flags)
1792{
int i;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->funcs->get_clockgating_state)
	adev->ip_blocks[i].version->funcs->get_clockgating_state((void *)adev, flags);
}
1801}

1803/**
* amdgpu_device_ip_wait_for_idle - wait for idle
*
* @adev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
*
* Waits for the request hardware IP to be idle.
* Returns 0 for success or a negative error code on failure.
*/
1812int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
		   enum amd_ip_block_type block_type)
1814{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->type == block_type) {
	r = adev->ip_blocks[i].version->funcs->wait_for_idle((void *)adev);
	if (r)
		return r;
	break;
}
}
return 0;

1829}

1831/**
* amdgpu_device_ip_is_idle - is the hardware IP idle
*
* @adev: amdgpu_device pointer
* @block_type: Type of hardware IP (SMU, GFX, UVD, etc.)
*
* Check if the hardware IP is idle or not.
* Returns true if it the IP is idle, false if not.
*/
1840bool_Bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
	      enum amd_ip_block_type block_type)
1842{
int i;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->type == block_type)
	return adev->ip_blocks[i].version->funcs->is_idle((void *)adev);
}
return true1;

1853}

1855/**
* amdgpu_device_ip_get_ip_block - get a hw IP pointer
*
* @adev: amdgpu_device pointer
* @type: Type of hardware IP (SMU, GFX, UVD, etc.)
*
* Returns a pointer to the hardware IP block structure
* if it exists for the asic, otherwise NULL.
*/
1864struct amdgpu_ip_block *
1865amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
	      enum amd_ip_block_type type)
1867{
int i;

for (i = 0; i < adev->num_ip_blocks; i++)
if (adev->ip_blocks[i].version->type == type)
	return &adev->ip_blocks[i];

return NULL((void *)0);
1875}

1877/**
* amdgpu_device_ip_block_version_cmp
*
* @adev: amdgpu_device pointer
* @type: enum amd_ip_block_type
* @major: major version
* @minor: minor version
*
* return 0 if equal or greater
* return 1 if smaller or the ip_block doesn't exist
*/
1888int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
		       enum amd_ip_block_type type,
		       u32 major, u32 minor)
1891{
struct amdgpu_ip_block *ip_block = amdgpu_device_ip_get_ip_block(adev, type);

if (ip_block && ((ip_block->version->major > major) ||
	((ip_block->version->major == major) &&
	(ip_block->version->minor >= minor))))
return 0;

return 1;
1900}

1902/**
* amdgpu_device_ip_block_add
*
* @adev: amdgpu_device pointer
* @ip_block_version: pointer to the IP to add
*
* Adds the IP block driver information to the collection of IPs
* on the asic.
*/
1911int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
	       const struct amdgpu_ip_block_version *ip_block_version)
1913{
if (!ip_block_version)
return -EINVAL22;

switch (ip_block_version->type) {
case AMD_IP_BLOCK_TYPE_VCN:
if (adev->harvest_ip_mask & AMD_HARVEST_IP_VCN_MASK)
	return 0;
break;
case AMD_IP_BLOCK_TYPE_JPEG:
if (adev->harvest_ip_mask & AMD_HARVEST_IP_JPEG_MASK)
	return 0;
break;
default:
break;
}

DRM_INFO("add ip block number %d <%s>\n", adev->num_ip_blocks,printk("\0016" "[" "drm" "] " "add ip block number %d <%s>\n"
, adev->num_ip_blocks, ip_block_version->funcs->name
)
  ip_block_version->funcs->name)printk("\0016" "[" "drm" "] " "add ip block number %d <%s>\n"
, adev->num_ip_blocks, ip_block_version->funcs->name
);

adev->ip_blocks[adev->num_ip_blocks++].version = ip_block_version;

return 0;
1936}

1938/**
* amdgpu_device_enable_virtual_display - enable virtual display feature
*
* @adev: amdgpu_device pointer
*
* Enabled the virtual display feature if the user has enabled it via
* the module parameter virtual_display.  This feature provides a virtual
* display hardware on headless boards or in virtualized environments.
* This function parses and validates the configuration string specified by
* the user and configues the virtual display configuration (number of
* virtual connectors, crtcs, etc.) specified.
*/
1950static void amdgpu_device_enable_virtual_display(struct amdgpu_device *adev)
1951{
adev->enable_virtual_display = false0;

1954#ifdef notyet
if (amdgpu_virtual_display) {
const char *pci_address_name = pci_name(adev->pdev);
char *pciaddstr, *pciaddstr_tmp, *pciaddname_tmp, *pciaddname;

pciaddstr = kstrdup(amdgpu_virtual_display, GFP_KERNEL(0x0001 | 0x0004));
pciaddstr_tmp = pciaddstr;
while ((pciaddname_tmp = strsep(&pciaddstr_tmp, ";"))) {
	pciaddname = strsep(&pciaddname_tmp, ",");
	if (!strcmp("all", pciaddname)
	    || !strcmp(pci_address_name, pciaddname)) {
		long num_crtc;
		int res = -1;

		adev->enable_virtual_display = true1;

		if (pciaddname_tmp)
			res = kstrtol(pciaddname_tmp, 10,
				      &num_crtc);

		if (!res) {
			if (num_crtc < 1)
				num_crtc = 1;
			if (num_crtc > 6)
				num_crtc = 6;
			adev->mode_info.num_crtc = num_crtc;
		} else {
			adev->mode_info.num_crtc = 1;
		}
		break;
	}
}

DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n",printk("\0016" "[" "drm" "] " "virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n"
, amdgpu_virtual_display, pci_address_name, adev->enable_virtual_display
, adev->mode_info.num_crtc)
	 amdgpu_virtual_display, pci_address_name,printk("\0016" "[" "drm" "] " "virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n"
, amdgpu_virtual_display, pci_address_name, adev->enable_virtual_display
, adev->mode_info.num_crtc)
	 adev->enable_virtual_display, adev->mode_info.num_crtc)printk("\0016" "[" "drm" "] " "virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n"
, amdgpu_virtual_display, pci_address_name, adev->enable_virtual_display
, adev->mode_info.num_crtc);

kfree(pciaddstr);
}
1993#endif
1994}

1996/**
* amdgpu_device_parse_gpu_info_fw - parse gpu info firmware
*
* @adev: amdgpu_device pointer
*
* Parses the asic configuration parameters specified in the gpu info
* firmware and makes them availale to the driver for use in configuring
* the asic.
* Returns 0 on success, -EINVAL on failure.
*/
2006static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
2007{
const char *chip_name;
char fw_name[40];
int err;
const struct gpu_info_firmware_header_v1_0 *hdr;

adev->firmware.gpu_info_fw = NULL((void *)0);

if (adev->mman.discovery_bin) {
/*
 * FIXME: The bounding box is still needed by Navi12, so
 * temporarily read it from gpu_info firmware. Should be dropped
 * when DAL no longer needs it.
 */
if (adev->asic_type != CHIP_NAVI12)
	return 0;
}

switch (adev->asic_type) {
default:
return 0;
case CHIP_VEGA10:
chip_name = "vega10";
break;
case CHIP_VEGA12:
chip_name = "vega12";
break;
case CHIP_RAVEN:
if (adev->apu_flags & AMD_APU_IS_RAVEN2)
	chip_name = "raven2";
else if (adev->apu_flags & AMD_APU_IS_PICASSO)
	chip_name = "picasso";
else
	chip_name = "raven";
break;
case CHIP_ARCTURUS:
chip_name = "arcturus";
break;
case CHIP_NAVI12:
chip_name = "navi12";
break;
}

snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_gpu_info.bin", chip_name);
err = request_firmware(&adev->firmware.gpu_info_fw, fw_name, adev->dev);
if (err) {
dev_err(adev->dev,printf("drm:pid%d:%s *ERROR* " "Failed to load gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
)
	"Failed to load gpu_info firmware \"%s\"\n",printf("drm:pid%d:%s *ERROR* " "Failed to load gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
)
	fw_name)printf("drm:pid%d:%s *ERROR* " "Failed to load gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
);
goto out;
}
err = amdgpu_ucode_validate(adev->firmware.gpu_info_fw);
if (err) {
dev_err(adev->dev,printf("drm:pid%d:%s *ERROR* " "Failed to validate gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
)
	"Failed to validate gpu_info firmware \"%s\"\n",printf("drm:pid%d:%s *ERROR* " "Failed to validate gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
)
	fw_name)printf("drm:pid%d:%s *ERROR* " "Failed to validate gpu_info firmware \"%s\"\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , fw_name
);
goto out;
}

hdr = (const struct gpu_info_firmware_header_v1_0 *)adev->firmware.gpu_info_fw->data;
amdgpu_ucode_print_gpu_info_hdr(&hdr->header);

switch (hdr->version_major) {
case 1:
{
const struct gpu_info_firmware_v1_0 *gpu_info_fw =
	(const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data +
						le32_to_cpu(hdr->header.ucode_array_offset_bytes)((__uint32_t)(hdr->header.ucode_array_offset_bytes)));

/*
 * Should be droped when DAL no longer needs it.
 */
if (adev->asic_type == CHIP_NAVI12)
	goto parse_soc_bounding_box;

adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se)((__uint32_t)(gpu_info_fw->gc_num_se));
adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh)((__uint32_t)(gpu_info_fw->gc_num_cu_per_sh));
adev->gfx.config.max_sh_per_se = le32_to_cpu(gpu_info_fw->gc_num_sh_per_se)((__uint32_t)(gpu_info_fw->gc_num_sh_per_se));
adev->gfx.config.max_backends_per_se = le32_to_cpu(gpu_info_fw->gc_num_rb_per_se)((__uint32_t)(gpu_info_fw->gc_num_rb_per_se));
adev->gfx.config.max_texture_channel_caches =
	le32_to_cpu(gpu_info_fw->gc_num_tccs)((__uint32_t)(gpu_info_fw->gc_num_tccs));
adev->gfx.config.max_gprs = le32_to_cpu(gpu_info_fw->gc_num_gprs)((__uint32_t)(gpu_info_fw->gc_num_gprs));
adev->gfx.config.max_gs_threads = le32_to_cpu(gpu_info_fw->gc_num_max_gs_thds)((__uint32_t)(gpu_info_fw->gc_num_max_gs_thds));
adev->gfx.config.gs_vgt_table_depth = le32_to_cpu(gpu_info_fw->gc_gs_table_depth)((__uint32_t)(gpu_info_fw->gc_gs_table_depth));
adev->gfx.config.gs_prim_buffer_depth = le32_to_cpu(gpu_info_fw->gc_gsprim_buff_depth)((__uint32_t)(gpu_info_fw->gc_gsprim_buff_depth));
adev->gfx.config.double_offchip_lds_buf =
	le32_to_cpu(gpu_info_fw->gc_double_offchip_lds_buffer)((__uint32_t)(gpu_info_fw->gc_double_offchip_lds_buffer));
adev->gfx.cu_info.wave_front_size = le32_to_cpu(gpu_info_fw->gc_wave_size)((__uint32_t)(gpu_info_fw->gc_wave_size));
adev->gfx.cu_info.max_waves_per_simd =
	le32_to_cpu(gpu_info_fw->gc_max_waves_per_simd)((__uint32_t)(gpu_info_fw->gc_max_waves_per_simd));
adev->gfx.cu_info.max_scratch_slots_per_cu =
	le32_to_cpu(gpu_info_fw->gc_max_scratch_slots_per_cu)((__uint32_t)(gpu_info_fw->gc_max_scratch_slots_per_cu));
adev->gfx.cu_info.lds_size = le32_to_cpu(gpu_info_fw->gc_lds_size)((__uint32_t)(gpu_info_fw->gc_lds_size));
if (hdr->version_minor >= 1) {
	const struct gpu_info_firmware_v1_1 *gpu_info_fw =
		(const struct gpu_info_firmware_v1_1 *)(adev->firmware.gpu_info_fw->data +
							le32_to_cpu(hdr->header.ucode_array_offset_bytes)((__uint32_t)(hdr->header.ucode_array_offset_bytes)));
	adev->gfx.config.num_sc_per_sh =
		le32_to_cpu(gpu_info_fw->num_sc_per_sh)((__uint32_t)(gpu_info_fw->num_sc_per_sh));
	adev->gfx.config.num_packer_per_sc =
		le32_to_cpu(gpu_info_fw->num_packer_per_sc)((__uint32_t)(gpu_info_fw->num_packer_per_sc));
}

2110parse_soc_bounding_box:
/*
 * soc bounding box info is not integrated in disocovery table,
 * we always need to parse it from gpu info firmware if needed.
 */
if (hdr->version_minor == 2) {
	const struct gpu_info_firmware_v1_2 *gpu_info_fw =
		(const struct gpu_info_firmware_v1_2 *)(adev->firmware.gpu_info_fw->data +
							le32_to_cpu(hdr->header.ucode_array_offset_bytes)((__uint32_t)(hdr->header.ucode_array_offset_bytes)));
	adev->dm.soc_bounding_box = &gpu_info_fw->soc_bounding_box;
}
break;
}
default:
dev_err(adev->dev,printf("drm:pid%d:%s *ERROR* " "Unsupported gpu_info table %d\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , hdr->
header.ucode_version)
	"Unsupported gpu_info table %d\n", hdr->header.ucode_version)printf("drm:pid%d:%s *ERROR* " "Unsupported gpu_info table %d\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , hdr->
header.ucode_version);
err = -EINVAL22;
goto out;
}
2129out:
return err;
2131}

2133/**
* amdgpu_device_ip_early_init - run early init for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Early initialization pass for hardware IPs.  The hardware IPs that make
* up each asic are discovered each IP's early_init callback is run.  This
* is the first stage in initializing the asic.
* Returns 0 on success, negative error code on failure.
*/
2143static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
2144{
struct pci_dev *parent;
int i, r;

amdgpu_device_enable_virtual_display(adev);

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
r = amdgpu_virt_request_full_gpu(adev, true1);
if (r)
	return r;
}

switch (adev->asic_type) {
2157#ifdef CONFIG_DRM_AMDGPU_SI
case CHIP_VERDE:
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_OLAND:
case CHIP_HAINAN:
adev->family = AMDGPU_FAMILY_SI110;
r = si_set_ip_blocks(adev);
if (r)
	return r;
break;
2168#endif
2169#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_BONAIRE:
case CHIP_HAWAII:
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_MULLINS:
if (adev->flags & AMD_IS_APU)
	adev->family = AMDGPU_FAMILY_KV125;
else
	adev->family = AMDGPU_FAMILY_CI120;

r = cik_set_ip_blocks(adev);
if (r)
	return r;
break;
2184#endif
case CHIP_TOPAZ:
case CHIP_TONGA:
case CHIP_FIJI:
case CHIP_POLARIS10:
case CHIP_POLARIS11:
case CHIP_POLARIS12:
case CHIP_VEGAM:
case CHIP_CARRIZO:
case CHIP_STONEY:
if (adev->flags & AMD_IS_APU)
	adev->family = AMDGPU_FAMILY_CZ135;
else
	adev->family = AMDGPU_FAMILY_VI130;

r = vi_set_ip_blocks(adev);
if (r)
	return r;
break;
default:
r = amdgpu_discovery_set_ip_blocks(adev);
if (r)
	return r;
break;
}

if (amdgpu_has_atpx() &&
   (amdgpu_is_atpx_hybrid() ||
    amdgpu_has_atpx_dgpu_power_cntl()) &&
   ((adev->flags & AMD_IS_APU) == 0) &&
   !dev_is_removable(&adev->pdev->dev)0)
adev->flags |= AMD_IS_PX;

if (!(adev->flags & AMD_IS_APU)) {
2218#ifdef notyet
parent = pcie_find_root_port(adev->pdev);
adev->has_pr3 = parent ? pci_pr3_present(parent) : false0;
2221#else
adev->has_pr3 = false0;
2223#endif
}

amdgpu_amdkfd_device_probe(adev);

adev->pm.pp_feature = amdgpu_pp_feature_mask;
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) || sched_policy == KFD_SCHED_POLICY_NO_HWS)
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) && adev->asic_type == CHIP_SIENNA_CICHLID)
adev->pm.pp_feature &= ~PP_OVERDRIVE_MASK;

for (i = 0; i < adev->num_ip_blocks; i++) {
if ((amdgpu_ip_block_mask & (1 << i)) == 0) {
	DRM_ERROR("disabled ip block: %d <%s>\n",__drm_err("disabled ip block: %d <%s>\n", i, adev->ip_blocks
[i].version->funcs->name)
		  i, adev->ip_blocks[i].version->funcs->name)__drm_err("disabled ip block: %d <%s>\n", i, adev->ip_blocks
[i].version->funcs->name);
	adev->ip_blocks[i].status.valid = false0;
} else {
	if (adev->ip_blocks[i].version->funcs->early_init) {
		r = adev->ip_blocks[i].version->funcs->early_init((void *)adev);
		if (r == -ENOENT2) {
			adev->ip_blocks[i].status.valid = false0;
		} else if (r) {
			DRM_ERROR("early_init of IP block <%s> failed %d\n",__drm_err("early_init of IP block <%s> failed %d\n", adev
->ip_blocks[i].version->funcs->name, r)
				  adev->ip_blocks[i].version->funcs->name, r)__drm_err("early_init of IP block <%s> failed %d\n", adev
->ip_blocks[i].version->funcs->name, r);
			return r;
		} else {
			adev->ip_blocks[i].status.valid = true1;
		}
	} else {
		adev->ip_blocks[i].status.valid = true1;
	}
}
/* get the vbios after the asic_funcs are set up */
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) {
	r = amdgpu_device_parse_gpu_info_fw(adev);
	if (r)
		return r;

	/* Read BIOS */
	if (!amdgpu_get_bios(adev))
		return -EINVAL22;

	r = amdgpu_atombios_init(adev);
	if (r) {
		dev_err(adev->dev, "amdgpu_atombios_init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_atombios_init failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
		amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0);
		return r;
	}

	/*get pf2vf msg info at it's earliest time*/
	if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
		amdgpu_virt_init_data_exchange(adev);

}
}

adev->cg_flags &= amdgpu_cg_mask;
adev->pg_flags &= amdgpu_pg_mask;

return 0;
2283}

2285static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev)
2286{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.sw)
	continue;
if (adev->ip_blocks[i].status.hw)
	continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
    (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) {
	r = adev->ip_blocks[i].version->funcs->hw_init(adev);
	if (r) {
		DRM_ERROR("hw_init of IP block <%s> failed %d\n",__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
		return r;
	}
	adev->ip_blocks[i].status.hw = true1;
}
}

return 0;
2308}

2310static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev)
2311{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.sw)
	continue;
if (adev->ip_blocks[i].status.hw)
	continue;
r = adev->ip_blocks[i].version->funcs->hw_init(adev);
if (r) {
	DRM_ERROR("hw_init of IP block <%s> failed %d\n",__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
	return r;
}
adev->ip_blocks[i].status.hw = true1;
}

return 0;
2329}

2331static int amdgpu_device_fw_loading(struct amdgpu_device *adev)
2332{
int r = 0;
int i;
uint32_t smu_version;

if (adev->asic_type >= CHIP_VEGA10) {
for (i = 0; i < adev->num_ip_blocks; i++) {
	if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP)
		continue;

	if (!adev->ip_blocks[i].status.sw)
		continue;

	/* no need to do the fw loading again if already done*/
	if (adev->ip_blocks[i].status.hw == true1)
		break;

	if (amdgpu_in_reset(adev) || adev->in_suspend) {
		r = adev->ip_blocks[i].version->funcs->resume(adev);
		if (r) {
			DRM_ERROR("resume of IP block <%s> failed %d\n",__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
					  adev->ip_blocks[i].version->funcs->name, r)__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
			return r;
		}
	} else {
		r = adev->ip_blocks[i].version->funcs->hw_init(adev);
		if (r) {
			DRM_ERROR("hw_init of IP block <%s> failed %d\n",__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
					  adev->ip_blocks[i].version->funcs->name, r)__drm_err("hw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
			return r;
		}
	}

	adev->ip_blocks[i].status.hw = true1;
	break;
}
}

if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) || adev->asic_type == CHIP_TONGA)
r = amdgpu_pm_load_smu_firmware(adev, &smu_version);

return r;
2374}

2376static int amdgpu_device_init_schedulers(struct amdgpu_device *adev)
2377{
long timeout;
int r, i;

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
struct amdgpu_ring *ring = adev->rings[i];

/* No need to setup the GPU scheduler for rings that don't need it */
if (!ring || ring->no_scheduler)
	continue;

switch (ring->funcs->type) {
case AMDGPU_RING_TYPE_GFX:
	timeout = adev->gfx_timeout;
	break;
case AMDGPU_RING_TYPE_COMPUTE:
	timeout = adev->compute_timeout;
	break;
case AMDGPU_RING_TYPE_SDMA:
	timeout = adev->sdma_timeout;
	break;
default:
	timeout = adev->video_timeout;
	break;
}

r = drm_sched_init(&ring->sched, &amdgpu_sched_ops,
		   ring->num_hw_submission, amdgpu_job_hang_limit,
		   timeout, adev->reset_domain->wq,
		   ring->sched_score, ring->name,
		   adev->dev);
if (r) {
	DRM_ERROR("Failed to create scheduler on ring %s.\n",__drm_err("Failed to create scheduler on ring %s.\n", ring->
name)
		  ring->name)__drm_err("Failed to create scheduler on ring %s.\n", ring->
name);
	return r;
}
}

return 0;
2416}


2419/**
* amdgpu_device_ip_init - run init for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Main initialization pass for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked and the sw_init and hw_init callbacks
* are run.  sw_init initializes the software state associated with each IP
* and hw_init initializes the hardware associated with each IP.
* Returns 0 on success, negative error code on failure.
*/
2430static int amdgpu_device_ip_init(struct amdgpu_device *adev)
2431{
int i, r;

r = amdgpu_ras_init(adev);
if (r)
return r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
r = adev->ip_blocks[i].version->funcs->sw_init((void *)adev);
if (r) {
	DRM_ERROR("sw_init of IP block <%s> failed %d\n",__drm_err("sw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("sw_init of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
	goto init_failed;
}
adev->ip_blocks[i].status.sw = true1;

if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) {
	/* need to do common hw init early so everything is set up for gmc */
	r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
	if (r) {
		DRM_ERROR("hw_init %d failed %d\n", i, r)__drm_err("hw_init %d failed %d\n", i, r);
		goto init_failed;
	}
	adev->ip_blocks[i].status.hw = true1;
} else if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
	/* need to do gmc hw init early so we can allocate gpu mem */
	/* Try to reserve bad pages early */
	if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
		amdgpu_virt_exchange_data(adev);

	r = amdgpu_device_vram_scratch_init(adev);
	if (r) {
		DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r)__drm_err("amdgpu_vram_scratch_init failed %d\n", r);
		goto init_failed;
	}
	r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev);
	if (r) {
		DRM_ERROR("hw_init %d failed %d\n", i, r)__drm_err("hw_init %d failed %d\n", i, r);
		goto init_failed;
	}
	r = amdgpu_device_wb_init(adev);
	if (r) {
		DRM_ERROR("amdgpu_device_wb_init failed %d\n", r)__drm_err("amdgpu_device_wb_init failed %d\n", r);
		goto init_failed;
	}
	adev->ip_blocks[i].status.hw = true1;

	/* right after GMC hw init, we create CSA */
	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
		r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj,
						AMDGPU_GEM_DOMAIN_VRAM0x4,
						AMDGPU_CSA_SIZE(128 * 1024));
		if (r) {
			DRM_ERROR("allocate CSA failed %d\n", r)__drm_err("allocate CSA failed %d\n", r);
			goto init_failed;
		}
	}
}
}

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
amdgpu_virt_init_data_exchange(adev);

r = amdgpu_ib_pool_init(adev);
if (r) {
dev_err(adev->dev, "IB initialization failed (%d).\n", r)printf("drm:pid%d:%s *ERROR* " "IB initialization failed (%d).\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r);
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_IB_INIT_FAIL, 0, r);
goto init_failed;
}

r = amdgpu_ucode_create_bo(adev); /* create ucode bo when sw_init complete*/
if (r)
goto init_failed;

r = amdgpu_device_ip_hw_init_phase1(adev);
if (r)
goto init_failed;

r = amdgpu_device_fw_loading(adev);
if (r)
goto init_failed;

r = amdgpu_device_ip_hw_init_phase2(adev);
if (r)
goto init_failed;

/*
* retired pages will be loaded from eeprom and reserved here,
* it should be called after amdgpu_device_ip_hw_init_phase2  since
* for some ASICs the RAS EEPROM code relies on SMU fully functioning
* for I2C communication which only true at this point.
*
* amdgpu_ras_recovery_init may fail, but the upper only cares the
* failure from bad gpu situation and stop amdgpu init process
* accordingly. For other failed cases, it will still release all
* the resource and print error message, rather than returning one
* negative value to upper level.
*
* Note: theoretically, this should be called before all vram allocations
* to protect retired page from abusing
*/
r = amdgpu_ras_recovery_init(adev);
if (r)
goto init_failed;

/**
* In case of XGMI grab extra reference for reset domain for this device
*/
if (adev->gmc.xgmi.num_physical_nodes > 1) {
if (amdgpu_xgmi_add_device(adev) == 0) {
	if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
		struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev);

		if (WARN_ON(!hive)({ int __ret = !!(!hive); if (__ret) printf("WARNING %s failed at %s:%d\n"
, "!hive", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 2546); __builtin_expect(!!(__ret), 0); })) {
			r = -ENOENT2;
			goto init_failed;
		}

		if (!hive->reset_domain ||
		    !amdgpu_reset_get_reset_domain(hive->reset_domain)) {
			r = -ENOENT2;
			amdgpu_put_xgmi_hive(hive);
			goto init_failed;
		}

		/* Drop the early temporary reset domain we created for device */
		amdgpu_reset_put_reset_domain(adev->reset_domain);
		adev->reset_domain = hive->reset_domain;
		amdgpu_put_xgmi_hive(hive);
	}
}
}

r = amdgpu_device_init_schedulers(adev);
if (r)
goto init_failed;

/* Don't init kfd if whole hive need to be reset during init */
if (!adev->gmc.xgmi.pending_reset)
amdgpu_amdkfd_device_init(adev);

amdgpu_fru_get_product_info(adev);

2576init_failed:

return r;
2579}

2581/**
* amdgpu_device_fill_reset_magic - writes reset magic to gart pointer
*
* @adev: amdgpu_device pointer
*
* Writes a reset magic value to the gart pointer in VRAM.  The driver calls
* this function before a GPU reset.  If the value is retained after a
* GPU reset, VRAM has not been lost.  Some GPU resets may destry VRAM contents.
*/
2590static void amdgpu_device_fill_reset_magic(struct amdgpu_device *adev)
2591{
memcpy(adev->reset_magic, adev->gart.ptr, AMDGPU_RESET_MAGIC_NUM)__builtin_memcpy((adev->reset_magic), (adev->gart.ptr),
 (64));
2593}

2595/**
* amdgpu_device_check_vram_lost - check if vram is valid
*
* @adev: amdgpu_device pointer
*
* Checks the reset magic value written to the gart pointer in VRAM.
* The driver calls this after a GPU reset to see if the contents of
* VRAM is lost or now.
* returns true if vram is lost, false if not.
*/
2605static bool_Bool amdgpu_device_check_vram_lost(struct amdgpu_device *adev)
2606{
if (memcmp(adev->gart.ptr, adev->reset_magic,__builtin_memcmp((adev->gart.ptr), (adev->reset_magic),
 (64))
	AMDGPU_RESET_MAGIC_NUM)__builtin_memcmp((adev->gart.ptr), (adev->reset_magic),
 (64)))
return true1;

if (!amdgpu_in_reset(adev))
return false0;

/*
* For all ASICs with baco/mode1 reset, the VRAM is
* always assumed to be lost.
*/
switch (amdgpu_asic_reset_method(adev)(adev)->asic_funcs->reset_method((adev))) {
case AMD_RESET_METHOD_BACO:
case AMD_RESET_METHOD_MODE1:
return true1;
default:
return false0;
}
2625}

2627/**
* amdgpu_device_set_cg_state - set clockgating for amdgpu device
*
* @adev: amdgpu_device pointer
* @state: clockgating state (gate or ungate)
*
* The list of all the hardware IPs that make up the asic is walked and the
* set_clockgating_state callbacks are run.
* Late initialization pass enabling clockgating for hardware IPs.
* Fini or suspend, pass disabling clockgating for hardware IPs.
* Returns 0 on success, negative error code on failure.
*/

2640int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
	       enum amd_clockgating_state state)
2642{
int i, j, r;

if (amdgpu_emu_mode == 1)
return 0;

for (j = 0; j < adev->num_ip_blocks; j++) {
i = state == AMD_CG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
if (!adev->ip_blocks[i].status.late_initialized)
	continue;
/* skip CG for GFX on S0ix */
if (adev->in_s0ix &&
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
	continue;
/* skip CG for VCE/UVD, it's handled specially */
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG &&
    adev->ip_blocks[i].version->funcs->set_clockgating_state) {
	/* enable clockgating to save power */
	r = adev->ip_blocks[i].version->funcs->set_clockgating_state((void *)adev,
								     state);
	if (r) {
		DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n",__drm_err("set_clockgating_state(gate) of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)__drm_err("set_clockgating_state(gate) of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
		return r;
	}
}
}

return 0;
2674}

2676int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
	       enum amd_powergating_state state)
2678{
int i, j, r;

if (amdgpu_emu_mode == 1)
return 0;

for (j = 0; j < adev->num_ip_blocks; j++) {
i = state == AMD_PG_STATE_GATE ? j : adev->num_ip_blocks - j - 1;
if (!adev->ip_blocks[i].status.late_initialized)
	continue;
/* skip PG for GFX on S0ix */
if (adev->in_s0ix &&
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX)
	continue;
/* skip CG for VCE/UVD, it's handled specially */
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_UVD &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCE &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_VCN &&
    adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_JPEG &&
    adev->ip_blocks[i].version->funcs->set_powergating_state) {
	/* enable powergating to save power */
	r = adev->ip_blocks[i].version->funcs->set_powergating_state((void *)adev,
									state);
	if (r) {
		DRM_ERROR("set_powergating_state(gate) of IP block <%s> failed %d\n",__drm_err("set_powergating_state(gate) of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)__drm_err("set_powergating_state(gate) of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
		return r;
	}
}
}
return 0;
2709}

2711static int amdgpu_device_enable_mgpu_fan_boost(void)
2712{
struct amdgpu_gpu_instance *gpu_ins;
struct amdgpu_device *adev;
int i, ret = 0;

mutex_lock(&mgpu_info.mutex)rw_enter_write(&mgpu_info.mutex);

/*
* MGPU fan boost feature should be enabled
* only when there are two or more dGPUs in
* the system
*/
if (mgpu_info.num_dgpu < 2)
goto out;

for (i = 0; i < mgpu_info.num_dgpu; i++) {
gpu_ins = &(mgpu_info.gpu_ins[i]);
adev = gpu_ins->adev;
if (!(adev->flags & AMD_IS_APU) &&
    !gpu_ins->mgpu_fan_enabled) {
	ret = amdgpu_dpm_enable_mgpu_fan_boost(adev);
	if (ret)
		break;

	gpu_ins->mgpu_fan_enabled = 1;
}
}

2740out:
mutex_unlock(&mgpu_info.mutex)rw_exit_write(&mgpu_info.mutex);

return ret;
2744}

2746/**
* amdgpu_device_ip_late_init - run late init for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Late initialization pass for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked and the late_init callbacks are run.
* late_init covers any special initialization that an IP requires
* after all of the have been initialized or something that needs to happen
* late in the init process.
* Returns 0 on success, negative error code on failure.
*/
2758static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
2759{
struct amdgpu_gpu_instance *gpu_instance;
int i = 0, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.hw)
	continue;
if (adev->ip_blocks[i].version->funcs->late_init) {
	r = adev->ip_blocks[i].version->funcs->late_init((void *)adev);
	if (r) {
		DRM_ERROR("late_init of IP block <%s> failed %d\n",__drm_err("late_init of IP block <%s> failed %d\n", adev
->ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)__drm_err("late_init of IP block <%s> failed %d\n", adev
->ip_blocks[i].version->funcs->name, r);
		return r;
	}
}
adev->ip_blocks[i].status.late_initialized = true1;
}

r = amdgpu_ras_late_init(adev);
if (r) {
DRM_ERROR("amdgpu_ras_late_init failed %d", r)__drm_err("amdgpu_ras_late_init failed %d", r);
return r;
}

amdgpu_ras_set_error_query_ready(adev, true1);

amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);

amdgpu_device_fill_reset_magic(adev);

r = amdgpu_device_enable_mgpu_fan_boost();
if (r)
DRM_ERROR("enable mgpu fan boost failed (%d).\n", r)__drm_err("enable mgpu fan boost failed (%d).\n", r);

/* For passthrough configuration on arcturus and aldebaran, enable special handling SBR */
if (amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3)) && ((adev->asic_type == CHIP_ARCTURUS && adev->gmc.xgmi.num_physical_nodes > 1)||
	       adev->asic_type == CHIP_ALDEBARAN ))
amdgpu_dpm_handle_passthrough_sbr(adev, true1);

if (adev->gmc.xgmi.num_physical_nodes > 1) {
mutex_lock(&mgpu_info.mutex)rw_enter_write(&mgpu_info.mutex);

/*
 * Reset device p-state to low as this was booted with high.
 *
 * This should be performed only after all devices from the same
 * hive get initialized.
 *
 * However, it's unknown how many device in the hive in advance.
 * As this is counted one by one during devices initializations.
 *
 * So, we wait for all XGMI interlinked devices initialized.
 * This may bring some delays as those devices may come from
 * different hives. But that should be OK.
 */
if (mgpu_info.num_dgpu == adev->gmc.xgmi.num_physical_nodes) {
	for (i = 0; i < mgpu_info.num_gpu; i++) {
		gpu_instance = &(mgpu_info.gpu_ins[i]);
		if (gpu_instance->adev->flags & AMD_IS_APU)
			continue;

		r = amdgpu_xgmi_set_pstate(gpu_instance->adev,
				AMDGPU_XGMI_PSTATE_MIN);
		if (r) {
			DRM_ERROR("pstate setting failed (%d).\n", r)__drm_err("pstate setting failed (%d).\n", r);
			break;
		}
	}
}

mutex_unlock(&mgpu_info.mutex)rw_exit_write(&mgpu_info.mutex);
}

return 0;
2834}

2836/**
* amdgpu_device_smu_fini_early - smu hw_fini wrapper
*
* @adev: amdgpu_device pointer
*
* For ASICs need to disable SMC first
*/
2843static void amdgpu_device_smu_fini_early(struct amdgpu_device *adev)
2844{
int i, r;

if (adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)(((9) << 16) | ((0) << 8) | (0)))
return;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.hw)
	continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
	r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
	/* XXX handle errors */
	if (r) {
		DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",___drm_dbg(((void *)0), DRM_UT_CORE, "hw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)___drm_dbg(((void *)0), DRM_UT_CORE, "hw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
	}
	adev->ip_blocks[i].status.hw = false0;
	break;
}
}
2864}

2866static int amdgpu_device_ip_fini_early(struct amdgpu_device *adev)
2867{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].version->funcs->early_fini)
	continue;

r = adev->ip_blocks[i].version->funcs->early_fini((void *)adev);
if (r) {
	DRM_DEBUG("early_fini of IP block <%s> failed %d\n",___drm_dbg(((void *)0), DRM_UT_CORE, "early_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)___drm_dbg(((void *)0), DRM_UT_CORE, "early_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
}
}

amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);

amdgpu_amdkfd_suspend(adev, false0);

/* Workaroud for ASICs need to disable SMC first */
amdgpu_device_smu_fini_early(adev);

for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.hw)
	continue;

r = adev->ip_blocks[i].version->funcs->hw_fini((void *)adev);
/* XXX handle errors */
if (r) {
	DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",___drm_dbg(((void *)0), DRM_UT_CORE, "hw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)___drm_dbg(((void *)0), DRM_UT_CORE, "hw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
}

adev->ip_blocks[i].status.hw = false0;
}

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
if (amdgpu_virt_release_full_gpu(adev, false0))
	DRM_ERROR("failed to release exclusive mode on fini\n")__drm_err("failed to release exclusive mode on fini\n");
}

return 0;
2909}

2911/**
* amdgpu_device_ip_fini - run fini for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Main teardown pass for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked and the hw_fini and sw_fini callbacks
* are run.  hw_fini tears down the hardware associated with each IP
* and sw_fini tears down any software state associated with each IP.
* Returns 0 on success, negative error code on failure.
*/
2922static int amdgpu_device_ip_fini(struct amdgpu_device *adev)
2923{
int i, r;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) && adev->virt.ras_init_done)
amdgpu_virt_release_ras_err_handler_data(adev);

if (adev->gmc.xgmi.num_physical_nodes > 1)
amdgpu_xgmi_remove_device(adev);

amdgpu_amdkfd_device_fini_sw(adev);

for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.sw)
	continue;

if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
	amdgpu_ucode_free_bo(adev);
	amdgpu_free_static_csa(&adev->virt.csa_obj);
	amdgpu_device_wb_fini(adev);
	amdgpu_device_vram_scratch_fini(adev);
	amdgpu_ib_pool_fini(adev);
}

r = adev->ip_blocks[i].version->funcs->sw_fini((void *)adev);
/* XXX handle errors */
if (r) {
	DRM_DEBUG("sw_fini of IP block <%s> failed %d\n",___drm_dbg(((void *)0), DRM_UT_CORE, "sw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)___drm_dbg(((void *)0), DRM_UT_CORE, "sw_fini of IP block <%s> failed %d\n"
, adev->ip_blocks[i].version->funcs->name, r);
}
adev->ip_blocks[i].status.sw = false0;
adev->ip_blocks[i].status.valid = false0;
}

for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.late_initialized)
	continue;
if (adev->ip_blocks[i].version->funcs->late_fini)
	adev->ip_blocks[i].version->funcs->late_fini((void *)adev);
adev->ip_blocks[i].status.late_initialized = false0;
}

amdgpu_ras_fini(adev);

return 0;
2967}

2969/**
* amdgpu_device_delayed_init_work_handler - work handler for IB tests
*
* @work: work_struct.
*/
2974static void amdgpu_device_delayed_init_work_handler(struct work_struct *work)
2975{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, delayed_init_work.work)({ const __typeof( ((struct amdgpu_device *)0)->delayed_init_work
.work ) *__mptr = (work); (struct amdgpu_device *)( (char *)__mptr
 - __builtin_offsetof(struct amdgpu_device, delayed_init_work
.work) );});
int r;

r = amdgpu_ib_ring_tests(adev);
if (r)
DRM_ERROR("ib ring test failed (%d).\n", r)__drm_err("ib ring test failed (%d).\n", r);
2983}

2985static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work)
2986{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, gfx.gfx_off_delay_work.work)({ const __typeof( ((struct amdgpu_device *)0)->gfx.gfx_off_delay_work
.work ) *__mptr = (work); (struct amdgpu_device *)( (char *)__mptr
 - __builtin_offsetof(struct amdgpu_device, gfx.gfx_off_delay_work
.work) );});

WARN_ON_ONCE(adev->gfx.gfx_off_state)({ static int __warned; int __ret = !!(adev->gfx.gfx_off_state
); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "adev->gfx.gfx_off_state", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 2990); __warned = 1; } __builtin_expect(!!(__ret), 0); });
WARN_ON_ONCE(adev->gfx.gfx_off_req_count)({ static int __warned; int __ret = !!(adev->gfx.gfx_off_req_count
); if (__ret && !__warned) { printf("WARNING %s failed at %s:%d\n"
, "adev->gfx.gfx_off_req_count", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 2991); __warned = 1; } __builtin_expect(!!(__ret), 0); });

if (!amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GFX, true1))
adev->gfx.gfx_off_state = true1;
2995}

2997/**
* amdgpu_device_ip_suspend_phase1 - run suspend for hardware IPs (phase 1)
*
* @adev: amdgpu_device pointer
*
* Main suspend function for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked, clockgating is disabled and the
* suspend callbacks are run.  suspend puts the hardware and software state
* in each IP into a state suitable for suspend.
* Returns 0 on success, negative error code on failure.
*/
3008static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
3009{
int i, r;

amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);

/*
* Per PMFW team's suggestion, driver needs to handle gfxoff
* and df cstate features disablement for gpu reset(e.g. Mode1Reset)
* scenario. Add the missing df cstate disablement here.
*/
if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
dev_warn(adev->dev, "Failed to disallow df cstate")printf("drm:pid%d:%s *WARNING* " "Failed to disallow df cstate"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);

for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.valid)
	continue;

/* displays are handled separately */
if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_DCE)
	continue;

/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */
if (r) {
	DRM_ERROR("suspend of IP block <%s> failed %d\n",__drm_err("suspend of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("suspend of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
	return r;
}

adev->ip_blocks[i].status.hw = false0;
}

return 0;
3044}

3046/**
* amdgpu_device_ip_suspend_phase2 - run suspend for hardware IPs (phase 2)
*
* @adev: amdgpu_device pointer
*
* Main suspend function for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked, clockgating is disabled and the
* suspend callbacks are run.  suspend puts the hardware and software state
* in each IP into a state suitable for suspend.
* Returns 0 on success, negative error code on failure.
*/
3057static int amdgpu_device_ip_suspend_phase2(struct amdgpu_device *adev)
3058{
int i, r;

if (adev->in_s0ix)
amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D3Entry);

for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
if (!adev->ip_blocks[i].status.valid)
	continue;
/* displays are handled in phase1 */
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE)
	continue;
/* PSP lost connection when err_event_athub occurs */
if (amdgpu_ras_intr_triggered() &&
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) {
	adev->ip_blocks[i].status.hw = false0;
	continue;
}

/* skip unnecessary suspend if we do not initialize them yet */
if (adev->gmc.xgmi.pending_reset &&
    !(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC ||
      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH)) {
	adev->ip_blocks[i].status.hw = false0;
	continue;
}

/* skip suspend of gfx/mes and psp for S0ix
 * gfx is in gfxoff state, so on resume it will exit gfxoff just
 * like at runtime. PSP is also part of the always on hardware
 * so no need to suspend it.
 */
if (adev->in_s0ix &&
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP ||
     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GFX ||
     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_MES))
	continue;

/* SDMA 5.x+ is part of GFX power domain so it's covered by GFXOFF */
if (adev->in_s0ix &&
    (adev->ip_versions[SDMA0_HWIP][0] >= IP_VERSION(5, 0, 0)(((5) << 16) | ((0) << 8) | (0))) &&
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SDMA))
	continue;

/* Once swPSP provides the IMU, RLC FW binaries to TOS during cold-boot.
 * These are in TMR, hence are expected to be reused by PSP-TOS to reload
 * from this location and RLC Autoload automatically also gets loaded
 * from here based on PMFW -> PSP message during re-init sequence.
 * Therefore, the psp suspend & resume should be skipped to avoid destroy
 * the TMR and reload FWs again for IMU enabled APU ASICs.
 */
if (amdgpu_in_reset(adev) &&
    (adev->flags & AMD_IS_APU) && adev->gfx.imu.funcs &&
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)
	continue;

/* XXX handle errors */
r = adev->ip_blocks[i].version->funcs->suspend(adev);
/* XXX handle errors */
if (r) {
	DRM_ERROR("suspend of IP block <%s> failed %d\n",__drm_err("suspend of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("suspend of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
}
adev->ip_blocks[i].status.hw = false0;
/* handle putting the SMC in the appropriate state */
if(!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))){
	if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
		r = amdgpu_dpm_set_mp1_state(adev, adev->mp1_state);
		if (r) {
			DRM_ERROR("SMC failed to set mp1 state %d, %d\n",__drm_err("SMC failed to set mp1 state %d, %d\n", adev->mp1_state
, r)
					adev->mp1_state, r)__drm_err("SMC failed to set mp1 state %d, %d\n", adev->mp1_state
, r);
			return r;
		}
	}
}
}

return 0;
3138}

3140/**
* amdgpu_device_ip_suspend - run suspend for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Main suspend function for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked, clockgating is disabled and the
* suspend callbacks are run.  suspend puts the hardware and software state
* in each IP into a state suitable for suspend.
* Returns 0 on success, negative error code on failure.
*/
3151int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
3152{
int r;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
amdgpu_virt_fini_data_exchange(adev);
amdgpu_virt_request_full_gpu(adev, false0);
}

r = amdgpu_device_ip_suspend_phase1(adev);
if (r)
return r;
r = amdgpu_device_ip_suspend_phase2(adev);

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
amdgpu_virt_release_full_gpu(adev, false0);

return r;
3169}

3171static int amdgpu_device_ip_reinit_early_sriov(struct amdgpu_device *adev)
3172{
int i, r;

static enum amd_ip_block_type ip_order[] = {
AMD_IP_BLOCK_TYPE_COMMON,
AMD_IP_BLOCK_TYPE_GMC,
AMD_IP_BLOCK_TYPE_PSP,
AMD_IP_BLOCK_TYPE_IH,
};

for (i = 0; i < adev->num_ip_blocks; i++) {
int j;
struct amdgpu_ip_block *block;

block = &adev->ip_blocks[i];
block->status.hw = false0;

for (j = 0; j < ARRAY_SIZE(ip_order)(sizeof((ip_order)) / sizeof((ip_order)[0])); j++) {

	if (block->version->type != ip_order[j] ||
		!block->status.valid)
		continue;

	r = block->version->funcs->hw_init(adev);
	DRM_INFO("RE-INIT-early: %s %s\n", block->version->funcs->name, r?"failed":"succeeded")printk("\0016" "[" "drm" "] " "RE-INIT-early: %s %s\n", block
->version->funcs->name, r?"failed":"succeeded");
	if (r)
		return r;
	block->status.hw = true1;
}
}

return 0;
3204}

3206static int amdgpu_device_ip_reinit_late_sriov(struct amdgpu_device *adev)
3207{
int i, r;

static enum amd_ip_block_type ip_order[] = {
AMD_IP_BLOCK_TYPE_SMC,
AMD_IP_BLOCK_TYPE_DCE,
AMD_IP_BLOCK_TYPE_GFX,
AMD_IP_BLOCK_TYPE_SDMA,
AMD_IP_BLOCK_TYPE_UVD,
AMD_IP_BLOCK_TYPE_VCE,
AMD_IP_BLOCK_TYPE_VCN
};

for (i = 0; i < ARRAY_SIZE(ip_order)(sizeof((ip_order)) / sizeof((ip_order)[0])); i++) {
int j;
struct amdgpu_ip_block *block;

for (j = 0; j < adev->num_ip_blocks; j++) {
	block = &adev->ip_blocks[j];

	if (block->version->type != ip_order[i] ||
		!block->status.valid ||
		block->status.hw)
		continue;

	if (block->version->type == AMD_IP_BLOCK_TYPE_SMC)
		r = block->version->funcs->resume(adev);
	else
		r = block->version->funcs->hw_init(adev);

	DRM_INFO("RE-INIT-late: %s %s\n", block->version->funcs->name, r?"failed":"succeeded")printk("\0016" "[" "drm" "] " "RE-INIT-late: %s %s\n", block->
version->funcs->name, r?"failed":"succeeded");
	if (r)
		return r;
	block->status.hw = true1;
}
}

return 0;
3245}

3247/**
* amdgpu_device_ip_resume_phase1 - run resume for hardware IPs
*
* @adev: amdgpu_device pointer
*
* First resume function for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked and the resume callbacks are run for
* COMMON, GMC, and IH.  resume puts the hardware into a functional state
* after a suspend and updates the software state as necessary.  This
* function is also used for restoring the GPU after a GPU reset.
* Returns 0 on success, negative error code on failure.
*/
3259static int amdgpu_device_ip_resume_phase1(struct amdgpu_device *adev)
3260{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw)
	continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP && amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))) {

	r = adev->ip_blocks[i].version->funcs->resume(adev);
	if (r) {
		DRM_ERROR("resume of IP block <%s> failed %d\n",__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
			  adev->ip_blocks[i].version->funcs->name, r)__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
		return r;
	}
	adev->ip_blocks[i].status.hw = true1;
}
}

return 0;
3282}

3284/**
* amdgpu_device_ip_resume_phase2 - run resume for hardware IPs
*
* @adev: amdgpu_device pointer
*
* First resume function for hardware IPs.  The list of all the hardware
* IPs that make up the asic is walked and the resume callbacks are run for
* all blocks except COMMON, GMC, and IH.  resume puts the hardware into a
* functional state after a suspend and updates the software state as
* necessary.  This function is also used for restoring the GPU after a GPU
* reset.
* Returns 0 on success, negative error code on failure.
*/
3297static int amdgpu_device_ip_resume_phase2(struct amdgpu_device *adev)
3298{
int i, r;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid || adev->ip_blocks[i].status.hw)
	continue;
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)
	continue;
r = adev->ip_blocks[i].version->funcs->resume(adev);
if (r) {
	DRM_ERROR("resume of IP block <%s> failed %d\n",__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r)
		  adev->ip_blocks[i].version->funcs->name, r)__drm_err("resume of IP block <%s> failed %d\n", adev->
ip_blocks[i].version->funcs->name, r);
	return r;
}
adev->ip_blocks[i].status.hw = true1;

if (adev->in_s0ix && adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) {
	/* disable gfxoff for IP resume. The gfxoff will be re-enabled in
	 * amdgpu_device_resume() after IP resume.
	 */
	amdgpu_gfx_off_ctrl(adev, false0);
	DRM_DEBUG("will disable gfxoff for re-initializing other blocks\n")___drm_dbg(((void *)0), DRM_UT_CORE, "will disable gfxoff for re-initializing other blocks\n"
);
}

}

return 0;
3328}

3330/**
* amdgpu_device_ip_resume - run resume for hardware IPs
*
* @adev: amdgpu_device pointer
*
* Main resume function for hardware IPs.  The hardware IPs
* are split into two resume functions because they are
* are also used in in recovering from a GPU reset and some additional
* steps need to be take between them.  In this case (S3/S4) they are
* run sequentially.
* Returns 0 on success, negative error code on failure.
*/
3342static int amdgpu_device_ip_resume(struct amdgpu_device *adev)
3343{
int r;

r = amdgpu_amdkfd_resume_iommu(adev);
if (r)
return r;

r = amdgpu_device_ip_resume_phase1(adev);
if (r)
return r;

r = amdgpu_device_fw_loading(adev);
if (r)
return r;

r = amdgpu_device_ip_resume_phase2(adev);

return r;
3361}

3363/**
* amdgpu_device_detect_sriov_bios - determine if the board supports SR-IOV
*
* @adev: amdgpu_device pointer
*
* Query the VBIOS data tables to determine if the board supports SR-IOV.
*/
3370static void amdgpu_device_detect_sriov_bios(struct amdgpu_device *adev)
3371{
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
if (adev->is_atom_fw) {
	if (amdgpu_atomfirmware_gpu_virtualization_supported(adev))
		adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS(1 << 0);
} else {
	if (amdgpu_atombios_has_gpu_virtualization_table(adev))
		adev->virt.caps |= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS(1 << 0);
}

if (!(adev->virt.caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS(1 << 0)))
	amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_NO_VBIOS, 0, 0);
}
3384}

3386/**
* amdgpu_device_asic_has_dc_support - determine if DC supports the asic
*
* @asic_type: AMD asic type
*
* Check if there is DC (new modesetting infrastructre) support for an asic.
* returns true if DC has support, false if not.
*/
3394bool_Bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type)
3395{
switch (asic_type) {
3397#ifdef CONFIG_DRM_AMDGPU_SI
case CHIP_HAINAN:
3399#endif
case CHIP_TOPAZ:
/* chips with no display hardware */
return false0;
3403#if defined(CONFIG_DRM_AMD_DC1)
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_VERDE:
case CHIP_OLAND:
/*
 * We have systems in the wild with these ASICs that require
 * LVDS and VGA support which is not supported with DC.
 *
 * Fallback to the non-DC driver here by default so as not to
 * cause regressions.
 */
3415#if defined(CONFIG_DRM_AMD_DC_SI)
return amdgpu_dc > 0;
3417#else
return false0;
3419#endif
case CHIP_BONAIRE:
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_MULLINS:
/*
 * We have systems in the wild with these ASICs that require
 * VGA support which is not supported with DC.
 *
 * Fallback to the non-DC driver here by default so as not to
 * cause regressions.
 */
return amdgpu_dc > 0;
default:
return amdgpu_dc != 0;
3434#else
default:
if (amdgpu_dc > 0)
	DRM_INFO_ONCE("Display Core has been requested via kernel parameter "({ static int __warned; if (!__warned) { printk("\0016" "[" "drm"
 "] " "Display Core has been requested via kernel parameter "
 "but isn't supported by ASIC, ignoring\n"); __warned = 1; } }
)
			 "but isn't supported by ASIC, ignoring\n")({ static int __warned; if (!__warned) { printk("\0016" "[" "drm"
 "] " "Display Core has been requested via kernel parameter "
 "but isn't supported by ASIC, ignoring\n"); __warned = 1; } }
);
return false0;
3440#endif
}
3442}

3444/**
* amdgpu_device_has_dc_support - check if dc is supported
*
* @adev: amdgpu_device pointer
*
* Returns true for supported, false for not supported
*/
3451bool_Bool amdgpu_device_has_dc_support(struct amdgpu_device *adev)
3452{
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) ||
   adev->enable_virtual_display ||
   (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK))
return false0;

return amdgpu_device_asic_has_dc_support(adev->asic_type);
3459}

3461static void amdgpu_device_xgmi_reset_func(struct work_struct *__work)
3462{
struct amdgpu_device *adev =
container_of(__work, struct amdgpu_device, xgmi_reset_work)({ const __typeof( ((struct amdgpu_device *)0)->xgmi_reset_work
 ) *__mptr = (__work); (struct amdgpu_device *)( (char *)__mptr
 - __builtin_offsetof(struct amdgpu_device, xgmi_reset_work) )
;});
struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev);

/* It's a bug to not have a hive within this function */
if (WARN_ON(!hive)({ int __ret = !!(!hive); if (__ret) printf("WARNING %s failed at %s:%d\n"
, "!hive", "/usr/src/sys/dev/pci/drm/amd/amdgpu/amdgpu_device.c"
, 3468); __builtin_expect(!!(__ret), 0); }))
return;

/*
* Use task barrier to synchronize all xgmi reset works across the
* hive. task_barrier_enter and task_barrier_exit will block
* until all the threads running the xgmi reset works reach
* those points. task_barrier_full will do both blocks.
*/
if (amdgpu_asic_reset_method(adev)(adev)->asic_funcs->reset_method((adev)) == AMD_RESET_METHOD_BACO) {

task_barrier_enter(&hive->tb);
adev->asic_reset_res = amdgpu_device_baco_enter(adev_to_drm(adev));

if (adev->asic_reset_res)
	goto fail;

task_barrier_exit(&hive->tb);
adev->asic_reset_res = amdgpu_device_baco_exit(adev_to_drm(adev));

if (adev->asic_reset_res)
	goto fail;

if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops &&
    adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count)
	adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev);
} else {

task_barrier_full(&hive->tb);
adev->asic_reset_res =  amdgpu_asic_reset(adev)(adev)->asic_funcs->reset((adev));
}

3500fail:
if (adev->asic_reset_res)
DRM_WARN("ASIC reset failed with error, %d for drm dev, %s",printk("\0014" "[" "drm" "] " "ASIC reset failed with error, %d for drm dev, %s"
, adev->asic_reset_res, adev_to_drm(adev)->unique)
	 adev->asic_reset_res, adev_to_drm(adev)->unique)printk("\0014" "[" "drm" "] " "ASIC reset failed with error, %d for drm dev, %s"
, adev->asic_reset_res, adev_to_drm(adev)->unique);
amdgpu_put_xgmi_hive(hive);
3505}

3507static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
3508{
char *input = amdgpu_lockup_timeout;
char *timeout_setting = NULL((void *)0);
int index = 0;
long timeout;
int ret = 0;

/*
* By default timeout for non compute jobs is 10000
* and 60000 for compute jobs.
* In SR-IOV or passthrough mode, timeout for compute
* jobs are 60000 by default.
*/
adev->gfx_timeout = msecs_to_jiffies(10000)(((uint64_t)(10000)) * hz / 1000);
adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout;
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
adev->compute_timeout = amdgpu_sriov_is_pp_one_vf(adev)((adev)->virt.gim_feature & AMDGIM_FEATURE_PP_ONE_VF) ?
			msecs_to_jiffies(60000)(((uint64_t)(60000)) * hz / 1000) : msecs_to_jiffies(10000)(((uint64_t)(10000)) * hz / 1000);
else
adev->compute_timeout =  msecs_to_jiffies(60000)(((uint64_t)(60000)) * hz / 1000);

3529#ifdef notyet
if (strnlen(input, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH256)) {
while ((timeout_setting = strsep(&input, ",")) &&
		strnlen(timeout_setting, AMDGPU_MAX_TIMEOUT_PARAM_LENGTH256)) {
	ret = kstrtol(timeout_setting, 0, &timeout);
	if (ret)
		return ret;

	if (timeout == 0) {
		index++;
		continue;
	} else if (timeout < 0) {
		timeout = MAX_SCHEDULE_TIMEOUT(0x7fffffff);
		dev_warn(adev->dev, "lockup timeout disabled")printf("drm:pid%d:%s *WARNING* " "lockup timeout disabled", (
{struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
		add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK);
	} else {
		timeout = msecs_to_jiffies(timeout)(((uint64_t)(timeout)) * hz / 1000);
	}

	switch (index++) {
	case 0:
		adev->gfx_timeout = timeout;
		break;
	case 1:
		adev->compute_timeout = timeout;
		break;
	case 2:
		adev->sdma_timeout = timeout;
		break;
	case 3:
		adev->video_timeout = timeout;
		break;
	default:
		break;
	}
}
/*
 * There is only one value specified and
 * it should apply to all non-compute jobs.
 */
if (index == 1) {
	adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout;
	if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) || amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3)))
		adev->compute_timeout = adev->gfx_timeout;
}
}
3575#endif

return ret;
3578}

3580/**
* amdgpu_device_check_iommu_direct_map - check if RAM direct mapped to GPU
*
* @adev: amdgpu_device pointer
*
* RAM direct mapped to GPU if IOMMU is not enabled or is pass through mode
*/
3587static void amdgpu_device_check_iommu_direct_map(struct amdgpu_device *adev)
3588{
3589#ifdef notyet
struct iommu_domain *domain;

domain = iommu_get_domain_for_dev(adev->dev);
if (!domain || domain->type == IOMMU_DOMAIN_IDENTITY)
3594#endif
adev->ram_is_direct_mapped = true1;
3596}

3598static const struct attribute *amdgpu_dev_attributes[] = {
&dev_attr_product_name.attr,
&dev_attr_product_number.attr,
&dev_attr_serial_number.attr,
&dev_attr_pcie_replay_count.attr,
NULL((void *)0)
3604};

3606/**
* amdgpu_device_init - initialize the driver
*
* @adev: amdgpu_device pointer
* @flags: driver flags
*
* Initializes the driver info and hw (all asics).
* Returns 0 for success or an error on failure.
* Called at driver startup.
*/
3616int amdgpu_device_init(struct amdgpu_device *adev,
       uint32_t flags)
3618{
struct drm_device *ddev = adev_to_drm(adev);
struct pci_dev *pdev = adev->pdev;
int r, i;
bool_Bool px = false0;
u32 max_MBps;
int tmp;

adev->shutdown = false0;
adev->flags = flags;

if (amdgpu_force_asic_type >= 0 && amdgpu_force_asic_type < CHIP_LAST)
1
Assuming 'amdgpu_force_asic_type' is >= 0→
2
←
Assuming 'amdgpu_force_asic_type' is >= CHIP_LAST→
3
←
Taking false branch→
adev->asic_type = amdgpu_force_asic_type;
else
adev->asic_type = flags & AMD_ASIC_MASK;

adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT100000;
if (amdgpu_emu_mode == 1)
4
←
Assuming 'amdgpu_emu_mode' is equal to 1→
5
←
Taking true branch→
adev->usec_timeout *= 10;
adev->gmc.gart_size = 512 * 1024 * 1024;
adev->accel_working = false0;
adev->num_rings = 0;
RCU_INIT_POINTER(adev->gang_submit, dma_fence_get_stub())do { (adev->gang_submit) = (dma_fence_get_stub()); } while
(0);
6
←
Loop condition is false.  Exiting loop→
adev->mman.buffer_funcs = NULL((void *)0);
adev->mman.buffer_funcs_ring = NULL((void *)0);
adev->vm_manager.vm_pte_funcs = NULL((void *)0);
adev->vm_manager.vm_pte_num_scheds = 0;
adev->gmc.gmc_funcs = NULL((void *)0);
adev->harvest_ip_mask = 0x0;
adev->fence_context = dma_fence_context_alloc(AMDGPU_MAX_RINGS28);
bitmap_zero(adev->gfx.pipe_reserve_bitmap, AMDGPU_MAX_COMPUTE_QUEUES128);

adev->smc_rreg = &amdgpu_invalid_rreg;
adev->smc_wreg = &amdgpu_invalid_wreg;
adev->pcie_rreg = &amdgpu_invalid_rreg;
adev->pcie_wreg = &amdgpu_invalid_wreg;
adev->pciep_rreg = &amdgpu_invalid_rreg;
adev->pciep_wreg = &amdgpu_invalid_wreg;
adev->pcie_rreg64 = &amdgpu_invalid_rreg64;
adev->pcie_wreg64 = &amdgpu_invalid_wreg64;
adev->uvd_ctx_rreg = &amdgpu_invalid_rreg;
adev->uvd_ctx_wreg = &amdgpu_invalid_wreg;
adev->didt_rreg = &amdgpu_invalid_rreg;
adev->didt_wreg = &amdgpu_invalid_wreg;
adev->gc_cac_rreg = &amdgpu_invalid_rreg;
adev->gc_cac_wreg = &amdgpu_invalid_wreg;
adev->audio_endpt_rreg = &amdgpu_block_invalid_rreg;
adev->audio_endpt_wreg = &amdgpu_block_invalid_wreg;

DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n",printk("\0016" "[" "drm" "] " "initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n"
, amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev
->device, pdev->subsystem_vendor, pdev->subsystem_device
, pdev->revision)
 amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev->device,printk("\0016" "[" "drm" "] " "initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n"
, amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev
->device, pdev->subsystem_vendor, pdev->subsystem_device
, pdev->revision)
 pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision)printk("\0016" "[" "drm" "] " "initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n"
, amdgpu_asic_name[adev->asic_type], pdev->vendor, pdev
->device, pdev->subsystem_vendor, pdev->subsystem_device
, pdev->revision);

/* mutex initialization are all done here so we
* can recall function without having locking issues */
rw_init(&adev->firmware.mutex, "agfw")_rw_init_flags(&adev->firmware.mutex, "agfw", 0, ((void
 *)0));
rw_init(&adev->pm.mutex, "agpm")_rw_init_flags(&adev->pm.mutex, "agpm", 0, ((void *)0)
);
rw_init(&adev->gfx.gpu_clock_mutex, "gfxclk")_rw_init_flags(&adev->gfx.gpu_clock_mutex, "gfxclk", 0
, ((void *)0));
rw_init(&adev->srbm_mutex, "srbm")_rw_init_flags(&adev->srbm_mutex, "srbm", 0, ((void *)
0));
rw_init(&adev->gfx.pipe_reserve_mutex, "pipers")_rw_init_flags(&adev->gfx.pipe_reserve_mutex, "pipers"
, 0, ((void *)0));
rw_init(&adev->gfx.gfx_off_mutex, "gfxoff")_rw_init_flags(&adev->gfx.gfx_off_mutex, "gfxoff", 0, (
(void *)0));
rw_init(&adev->grbm_idx_mutex, "grbmidx")_rw_init_flags(&adev->grbm_idx_mutex, "grbmidx", 0, ((
void *)0));
rw_init(&adev->mn_lock, "agpumn")_rw_init_flags(&adev->mn_lock, "agpumn", 0, ((void *)0
));
rw_init(&adev->virt.vf_errors.lock, "vferr")_rw_init_flags(&adev->virt.vf_errors.lock, "vferr", 0,
 ((void *)0));
hash_init(adev->mn_hash)__hash_init(adev->mn_hash, (sizeof((adev->mn_hash)) / sizeof
((adev->mn_hash)[0])));
rw_init(&adev->psp.mutex, "agpsp")_rw_init_flags(&adev->psp.mutex, "agpsp", 0, ((void *)
0));
rw_init(&adev->notifier_lock, "agnf")_rw_init_flags(&adev->notifier_lock, "agnf", 0, ((void
 *)0));
rw_init(&adev->pm.stable_pstate_ctx_lock, "agps")_rw_init_flags(&adev->pm.stable_pstate_ctx_lock, "agps"
, 0, ((void *)0));
rw_init(&adev->benchmark_mutex, "agbm")_rw_init_flags(&adev->benchmark_mutex, "agbm", 0, ((void
 *)0));

amdgpu_device_init_apu_flags(adev);

r = amdgpu_device_check_arguments(adev);
if (r)
7
←
Assuming 'r' is 0→
8
←
Taking false branch→
return r;

mtx_init(&adev->mmio_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
mmio_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
9
←
'?' condition is false→
10
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->smc_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
smc_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
11
←
'?' condition is false→
12
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->pcie_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
pcie_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
13
←
'?' condition is false→
14
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->uvd_ctx_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
uvd_ctx_idx_lock), ((((0x9)) > 0x0 && ((0x9)) <
 0x9) ? 0x9 : ((0x9)))); } while (0);
15
←
'?' condition is false→
16
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->didt_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
didt_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
17
←
'?' condition is false→
18
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->gc_cac_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
gc_cac_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
19
←
'?' condition is false→
20
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->se_cac_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
se_cac_idx_lock), ((((0x9)) > 0x0 && ((0x9)) < 0x9
) ? 0x9 : ((0x9)))); } while (0);
21
←
'?' condition is false→
22
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->audio_endpt_idx_lock, IPL_TTY)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
audio_endpt_idx_lock), ((((0x9)) > 0x0 && ((0x9)) <
 0x9) ? 0x9 : ((0x9)))); } while (0);
23
←
'?' condition is false→
24
←
Loop condition is false.  Exiting loop→
mtx_init(&adev->mm_stats.lock, IPL_NONE)do { (void)(((void *)0)); (void)(0); __mtx_init((&adev->
mm_stats.lock), ((((0x0)) > 0x0 && ((0x0)) < 0x9
) ? 0x9 : ((0x0)))); } while (0);
25
←
Loop condition is false.  Exiting loop→

INIT_LIST_HEAD(&adev->shadow_list);
rw_init(&adev->shadow_list_lock, "sdwlst")_rw_init_flags(&adev->shadow_list_lock, "sdwlst", 0, (
(void *)0));

INIT_LIST_HEAD(&adev->reset_list);

INIT_LIST_HEAD(&adev->ras_list);

INIT_DELAYED_WORK(&adev->delayed_init_work,
	  amdgpu_device_delayed_init_work_handler);
INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work,
	  amdgpu_device_delay_enable_gfx_off);

INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func);

adev->gfx.gfx_off_req_count = 1;
adev->gfx.gfx_off_residency = 0;
adev->gfx.gfx_off_entrycount = 0;
adev->pm.ac_power = power_supply_is_system_supplied() > 0;
26
←
Assuming the condition is false→

atomic_set(&adev->throttling_logging_enabled, 1)({ typeof(*(&adev->throttling_logging_enabled)) __tmp =
 ((1)); *(volatile typeof(*(&adev->throttling_logging_enabled
)) *)&(*(&adev->throttling_logging_enabled)) = __tmp
; __tmp; });
/*
* If throttling continues, logging will be performed every minute
* to avoid log flooding. "-1" is subtracted since the thermal
* throttling interrupt comes every second. Thus, the total logging
* interval is 59 seconds(retelimited printk interval) + 1(waiting
* for throttling interrupt) = 60 seconds.
*/
ratelimit_state_init(&adev->throttling_logging_rs, (60 - 1) * HZhz, 1);
ratelimit_set_flags(&adev->throttling_logging_rs, RATELIMIT_MSG_ON_RELEASE(1 << 0));

3734#ifdef __linux__
/* Registers mapping */
/* TODO: block userspace mapping of io register */
if (adev->asic_type >= CHIP_BONAIRE) {
adev->rmmio_base = pci_resource_start(adev->pdev, 5);
adev->rmmio_size = pci_resource_len(adev->pdev, 5);
} else {
adev->rmmio_base = pci_resource_start(adev->pdev, 2);
adev->rmmio_size = pci_resource_len(adev->pdev, 2);
}

for (i = 0; i < AMD_IP_BLOCK_TYPE_NUM; i++)
atomic_set(&adev->pm.pwr_state[i], POWER_STATE_UNKNOWN)({ typeof(*(&adev->pm.pwr_state[i])) __tmp = ((POWER_STATE_UNKNOWN
)); *(volatile typeof(*(&adev->pm.pwr_state[i])) *)&
(*(&adev->pm.pwr_state[i])) = __tmp; __tmp; });

adev->rmmio = ioremap(adev->rmmio_base, adev->rmmio_size);
if (adev->rmmio == NULL((void *)0)) {
return -ENOMEM12;
}
3752#endif
DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev->rmmio_base)printk("\0016" "[" "drm" "] " "register mmio base: 0x%08X\n",
 (uint32_t)adev->rmmio_base);
DRM_INFO("register mmio size: %u\n", (unsigned)adev->rmmio_size)printk("\0016" "[" "drm" "] " "register mmio size: %u\n", (unsigned
)adev->rmmio_size);

amdgpu_device_get_pcie_info(adev);
27
←
Calling 'amdgpu_device_get_pcie_info'→

if (amdgpu_mcbp)
DRM_INFO("MCBP is enabled\n")printk("\0016" "[" "drm" "] " "MCBP is enabled\n");

/*
* Reset domain needs to be present early, before XGMI hive discovered
* (if any) and intitialized to use reset sem and in_gpu reset flag
* early on during init and before calling to RREG32.
*/
adev->reset_domain = amdgpu_reset_create_reset_domain(SINGLE_DEVICE, "amdgpu-reset-dev");
if (!adev->reset_domain)
return -ENOMEM12;

/* detect hw virtualization here */
amdgpu_detect_virtualization(adev);

r = amdgpu_device_get_job_timeout_settings(adev);
if (r) {
dev_err(adev->dev, "invalid lockup_timeout parameter syntax\n")printf("drm:pid%d:%s *ERROR* " "invalid lockup_timeout parameter syntax\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
return r;
}

/* early init functions */
r = amdgpu_device_ip_early_init(adev);
if (r)
return r;

/* Get rid of things like offb */
r = drm_aperture_remove_conflicting_pci_framebuffers(adev->pdev, &amdgpu_kms_driver);
if (r)
return r;

/* Enable TMZ based on IP_VERSION */
amdgpu_gmc_tmz_set(adev);

amdgpu_gmc_noretry_set(adev);
/* Need to get xgmi info early to decide the reset behavior*/
if (adev->gmc.xgmi.supported) {
r = adev->gfxhub.funcs->get_xgmi_info(adev);
if (r)
	return r;
}

/* enable PCIE atomic ops */
3801#ifdef notyet
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *)
	adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags ==
	(PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64);
/* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a
* internal path natively support atomics, set have_atomics_support to true.
*/
else if ((adev->flags & AMD_IS_APU) &&
(adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)(((9) << 16) | ((0) << 8) | (0))))
adev->have_atomics_support = true1;
else
adev->have_atomics_support =
	!pci_enable_atomic_ops_to_root(adev->pdev,
			  PCI_EXP_DEVCAP2_ATOMIC_COMP32 |
			  PCI_EXP_DEVCAP2_ATOMIC_COMP64);
if (!adev->have_atomics_support)
dev_info(adev->dev, "PCIE atomic ops is not supported\n")do { } while(0);
3819#else
/* APUs w/ gfx9 onwards doesn't reply on PCIe atomics, rather it is a
* internal path natively support atomics, set have_atomics_support to true.
*/
if ((adev->flags & AMD_IS_APU) &&
(adev->ip_versions[GC_HWIP][0] > IP_VERSION(9, 0, 0)(((9) << 16) | ((0) << 8) | (0))))
adev->have_atomics_support = true1;
else
adev->have_atomics_support = false0;
3828#endif

/* doorbell bar mapping and doorbell index init*/
amdgpu_device_doorbell_init(adev);

if (amdgpu_emu_mode == 1) {
/* post the asic on emulation mode */
emu_soc_asic_init(adev);
goto fence_driver_init;
}

amdgpu_reset_init(adev);

/* detect if we are with an SRIOV vbios */
amdgpu_device_detect_sriov_bios(adev);

/* check if we need to reset the asic
*  E.g., driver was not cleanly unloaded previously, etc.
*/
if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) && amdgpu_asic_need_reset_on_init(adev)(adev)->asic_funcs->need_reset_on_init((adev))) {
if (adev->gmc.xgmi.num_physical_nodes) {
	dev_info(adev->dev, "Pending hive reset.\n")do { } while(0);
	adev->gmc.xgmi.pending_reset = true1;
	/* Only need to init necessary block for SMU to handle the reset */
	for (i = 0; i < adev->num_ip_blocks; i++) {
		if (!adev->ip_blocks[i].status.valid)
			continue;
		if (!(adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC ||
		      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON ||
		      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
		      adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC)) {
			DRM_DEBUG("IP %s disabled for hw_init.\n",___drm_dbg(((void *)0), DRM_UT_CORE, "IP %s disabled for hw_init.\n"
, adev->ip_blocks[i].version->funcs->name)
				adev->ip_blocks[i].version->funcs->name)___drm_dbg(((void *)0), DRM_UT_CORE, "IP %s disabled for hw_init.\n"
, adev->ip_blocks[i].version->funcs->name);
			adev->ip_blocks[i].status.hw = true1;
		}
	}
} else {
	tmp = amdgpu_reset_method;
	/* It should do a default reset when loading or reloading the driver,
	 * regardless of the module parameter reset_method.
	 */
	amdgpu_reset_method = AMD_RESET_METHOD_NONE;
	r = amdgpu_asic_reset(adev)(adev)->asic_funcs->reset((adev));
	amdgpu_reset_method = tmp;
	if (r) {
		dev_err(adev->dev, "asic reset on init failed\n")printf("drm:pid%d:%s *ERROR* " "asic reset on init failed\n",
 ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
		goto failed;
	}
}
}

pci_enable_pcie_error_reporting(adev->pdev);

/* Post card if necessary */
if (amdgpu_device_need_post(adev)) {
if (!adev->bios) {
	dev_err(adev->dev, "no vBIOS found\n")printf("drm:pid%d:%s *ERROR* " "no vBIOS found\n", ({struct cpu_info
 *__ci; asm volatile("movq %%gs:%P1,%0" : "=r" (__ci) :"n" (__builtin_offsetof
(struct cpu_info, ci_self))); __ci;})->ci_curproc->p_p->
ps_pid, __func__);
	r = -EINVAL22;
	goto failed;
}
DRM_INFO("GPU posting now...\n")printk("\0016" "[" "drm" "] " "GPU posting now...\n");
r = amdgpu_device_asic_init(adev);
if (r) {
	dev_err(adev->dev, "gpu post error!\n")printf("drm:pid%d:%s *ERROR* " "gpu post error!\n", ({struct cpu_info
 *__ci; asm volatile("movq %%gs:%P1,%0" : "=r" (__ci) :"n" (__builtin_offsetof
(struct cpu_info, ci_self))); __ci;})->ci_curproc->p_p->
ps_pid, __func__);
	goto failed;
}
}

if (adev->is_atom_fw) {
/* Initialize clocks */
r = amdgpu_atomfirmware_get_clock_info(adev);
if (r) {
	dev_err(adev->dev, "amdgpu_atomfirmware_get_clock_info failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_atomfirmware_get_clock_info failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
	amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0);
	goto failed;
}
} else {
/* Initialize clocks */
r = amdgpu_atombios_get_clock_info(adev);
if (r) {
	dev_err(adev->dev, "amdgpu_atombios_get_clock_info failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_atombios_get_clock_info failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
	amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL, 0, 0);
	goto failed;
}
/* init i2c buses */
if (!amdgpu_device_has_dc_support(adev))
	amdgpu_atombios_i2c_init(adev);
}

3917fence_driver_init:
/* Fence driver */
r = amdgpu_fence_driver_sw_init(adev);
if (r) {
dev_err(adev->dev, "amdgpu_fence_driver_sw_init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_fence_driver_sw_init failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_FENCE_INIT_FAIL, 0, 0);
goto failed;
}

/* init the mode config */
drm_mode_config_init(adev_to_drm(adev));

r = amdgpu_device_ip_init(adev);
if (r) {
dev_err(adev->dev, "amdgpu_device_ip_init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_device_ip_init failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL, 0, 0);
goto release_ras_con;
}

amdgpu_fence_driver_hw_init(adev);

dev_info(adev->dev,do { } while(0)
"SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n",do { } while(0)
	adev->gfx.config.max_shader_engines,do { } while(0)
	adev->gfx.config.max_sh_per_se,do { } while(0)
	adev->gfx.config.max_cu_per_sh,do { } while(0)
	adev->gfx.cu_info.number)do { } while(0);

3945#ifdef __OpenBSD__1
3946{
const char *chip_name;
uint32_t version = adev->ip_versions[GC_HWIP][0];
int maj, min, rev;

switch (adev->asic_type) {
case CHIP_RAVEN:
if (adev->apu_flags & AMD_APU_IS_RAVEN2)
	chip_name = "RAVEN2";
else if (adev->apu_flags & AMD_APU_IS_PICASSO)
	chip_name = "PICASSO";
else
	chip_name = "RAVEN";
break;
case CHIP_RENOIR:
if (adev->apu_flags & AMD_APU_IS_RENOIR)
	chip_name = "RENOIR";
else
	chip_name = "GREEN_SARDINE";
break;
default:
chip_name = amdgpu_asic_name[adev->asic_type];
}

printf("%s: %s", adev->self.dv_xname, chip_name);
/* show graphics/compute ip block version, not set on < GFX9 */
if (version) {
maj = IP_VERSION_MAJ(version)((version) >> 16);
min = IP_VERSION_MIN(version)(((version) >> 8) & 0xFF);
rev = IP_VERSION_REV(version)((version) & 0xFF);
printf(" GC %d.%d.%d", maj, min, rev);
}
printf(" %d CU rev 0x%02x\n", adev->gfx.cu_info.number, adev->rev_id);
3979}
3980#endif

adev->accel_working = true1;

amdgpu_vm_check_compute_bug(adev);

/* Initialize the buffer migration limit. */
if (amdgpu_moverate >= 0)
max_MBps = amdgpu_moverate;
else
max_MBps = 8; /* Allow 8 MB/s. */
/* Get a log2 for easy divisions. */
adev->mm_stats.log2_max_MBps = ilog2(max(1u, max_MBps))((sizeof((((1u)>(max_MBps))?(1u):(max_MBps))) <= 4) ? (
fls((((1u)>(max_MBps))?(1u):(max_MBps))) - 1) : (flsl((((1u
)>(max_MBps))?(1u):(max_MBps))) - 1));

r = amdgpu_pm_sysfs_init(adev);
if (r) {
adev->pm_sysfs_en = false0;
DRM_ERROR("registering pm debugfs failed (%d).\n", r)__drm_err("registering pm debugfs failed (%d).\n", r);
} else
adev->pm_sysfs_en = true1;

r = amdgpu_ucode_sysfs_init(adev);
if (r) {
adev->ucode_sysfs_en = false0;
DRM_ERROR("Creating firmware sysfs failed (%d).\n", r)__drm_err("Creating firmware sysfs failed (%d).\n", r);
} else
adev->ucode_sysfs_en = true1;

r = amdgpu_psp_sysfs_init(adev);
if (r) {
adev->psp_sysfs_en = false0;
if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
	DRM_ERROR("Creating psp sysfs failed\n")__drm_err("Creating psp sysfs failed\n");
} else
adev->psp_sysfs_en = true1;

/*
* Register gpu instance before amdgpu_device_enable_mgpu_fan_boost.
* Otherwise the mgpu fan boost feature will be skipped due to the
* gpu instance is counted less.
*/
amdgpu_register_gpu_instance(adev);

/* enable clockgating, etc. after ib tests, etc. since some blocks require
* explicit gating rather than handling it automatically.
*/
if (!adev->gmc.xgmi.pending_reset) {
r = amdgpu_device_ip_late_init(adev);
if (r) {
	dev_err(adev->dev, "amdgpu_device_ip_late_init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_device_ip_late_init failed\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
	amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL, 0, r);
	goto release_ras_con;
}
/* must succeed. */
amdgpu_ras_resume(adev);
queue_delayed_work(system_wq, &adev->delayed_init_work,
		   msecs_to_jiffies(AMDGPU_RESUME_MS)(((uint64_t)(2000)) * hz / 1000));
}

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
amdgpu_virt_release_full_gpu(adev, true1);
flush_delayed_work(&adev->delayed_init_work);
}

r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes)0;
if (r)
dev_err(adev->dev, "Could not create amdgpu device attr\n")printf("drm:pid%d:%s *ERROR* " "Could not create amdgpu device attr\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);

if (IS_ENABLED(CONFIG_PERF_EVENTS)0)
r = amdgpu_pmu_init(adev);
if (r)
dev_err(adev->dev, "amdgpu_pmu_init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu_pmu_init failed\n", ({
struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);

/* Have stored pci confspace at hand for restore in sudden PCI error */
if (amdgpu_device_cache_pci_state(adev->pdev))
pci_restore_state(pdev);

/* if we have > 1 VGA cards, then disable the amdgpu VGA resources */
/* this will fail for cards that aren't VGA class devices, just
* ignore it */
4060#ifdef notyet
if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA((0x03 << 8) | 0x00))
vga_client_register(adev->pdev, amdgpu_device_vga_set_decode);
4063#endif

px = amdgpu_device_supports_px(ddev);

if (px || (!dev_is_removable(&adev->pdev->dev)0 &&
		apple_gmux_detect(NULL((void *)0), NULL((void *)0))))
vga_switcheroo_register_client(adev->pdev,
			       &amdgpu_switcheroo_ops, px);

if (px)
vga_switcheroo_init_domain_pm_ops(adev->dev, &adev->vga_pm_domain);

if (adev->gmc.xgmi.pending_reset)
queue_delayed_work(system_wq, &mgpu_info.delayed_reset_work,
		   msecs_to_jiffies(AMDGPU_RESUME_MS)(((uint64_t)(2000)) * hz / 1000));

amdgpu_device_check_iommu_direct_map(adev);

return 0;

4083release_ras_con:
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
amdgpu_virt_release_full_gpu(adev, true1);

/* failed in exclusive mode due to timeout */
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) &&
!amdgpu_sriov_runtime(adev)((adev)->virt.caps & (1 << 4)) &&
amdgpu_virt_mmio_blocked(adev) &&
!amdgpu_virt_wait_reset(adev)) {
dev_err(adev->dev, "VF exclusive mode timeout\n")printf("drm:pid%d:%s *ERROR* " "VF exclusive mode timeout\n",
 ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
/* Don't send request since VF is inactive. */
adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME(1 << 4);
adev->virt.ops = NULL((void *)0);
r = -EAGAIN35;
}
amdgpu_release_ras_context(adev);

4100failed:
amdgpu_vf_error_trans_all(adev);

return r;
4104}

4106static void amdgpu_device_unmap_mmio(struct amdgpu_device *adev)
4107{
STUB()do { printf("%s: stub\n", __func__); } while(0);
4109#ifdef notyet
/* Clear all CPU mappings pointing to this device */
unmap_mapping_range(adev->ddev.anon_inode->i_mapping, 0, 0, 1);
4112#endif

/* Unmap all mapped bars - Doorbell, registers and VRAM */
amdgpu_device_doorbell_fini(adev);

4117#ifdef __linux__
iounmap(adev->rmmio);
adev->rmmio = NULL((void *)0);
if (adev->mman.aper_base_kaddr)
iounmap(adev->mman.aper_base_kaddr);
adev->mman.aper_base_kaddr = NULL((void *)0);
4123#else
if (adev->rmmio_size > 0)
bus_space_unmap(adev->rmmio_bst, adev->rmmio_bsh,
    adev->rmmio_size);
adev->rmmio_size = 0;
adev->rmmio = NULL((void *)0);
if (adev->mman.aper_base_kaddr)
bus_space_unmap(adev->memt, adev->mman.aper_bsh,
    adev->gmc.visible_vram_size);
adev->mman.aper_base_kaddr = NULL((void *)0);
4133#endif

/* Memory manager related */
if (!adev->gmc.xgmi.connected_to_cpu) {
4137#ifdef __linux__
arch_phys_wc_del(adev->gmc.vram_mtrr);
arch_io_free_memtype_wc(adev->gmc.aper_base, adev->gmc.aper_size);
4140#else
drm_mtrr_del(0, adev->gmc.aper_base, adev->gmc.aper_size, DRM_MTRR_WC(1<<1));
4142#endif
}
4144}

4146/**
* amdgpu_device_fini_hw - tear down the driver
*
* @adev: amdgpu_device pointer
*
* Tear down the driver info (all asics).
* Called at driver shutdown.
*/
4154void amdgpu_device_fini_hw(struct amdgpu_device *adev)
4155{
dev_info(adev->dev, "amdgpu: finishing device.\n")do { } while(0);
flush_delayed_work(&adev->delayed_init_work);
adev->shutdown = true1;

/* make sure IB test finished before entering exclusive mode
* to avoid preemption on IB test
* */
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
amdgpu_virt_request_full_gpu(adev, false0);
amdgpu_virt_fini_data_exchange(adev);
}

/* disable all interrupts */
amdgpu_irq_disable_all(adev);
if (adev->mode_info.mode_config_initialized){
if (!drm_drv_uses_atomic_modeset(adev_to_drm(adev)))
	drm_helper_force_disable_all(adev_to_drm(adev));
else
	drm_atomic_helper_shutdown(adev_to_drm(adev));
}
amdgpu_fence_driver_hw_fini(adev);

if (adev->mman.initialized) {
flush_delayed_work(&adev->mman.bdev.wq);
ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
}

if (adev->pm_sysfs_en)
amdgpu_pm_sysfs_fini(adev);
if (adev->ucode_sysfs_en)
amdgpu_ucode_sysfs_fini(adev);
if (adev->psp_sysfs_en)
amdgpu_psp_sysfs_fini(adev);
sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);

/* disable ras feature must before hw fini */
amdgpu_ras_pre_fini(adev);

amdgpu_device_ip_fini_early(adev);

amdgpu_irq_fini_hw(adev);

if (adev->mman.initialized)
ttm_device_clear_dma_mappings(&adev->mman.bdev);

amdgpu_gart_dummy_page_fini(adev);

if (drm_dev_is_unplugged(adev_to_drm(adev)))
amdgpu_device_unmap_mmio(adev);

4206}

4208void amdgpu_device_fini_sw(struct amdgpu_device *adev)
4209{
int idx;
bool_Bool px;

amdgpu_fence_driver_sw_fini(adev);
amdgpu_device_ip_fini(adev);
release_firmware(adev->firmware.gpu_info_fw);
adev->firmware.gpu_info_fw = NULL((void *)0);
adev->accel_working = false0;
dma_fence_put(rcu_dereference_protected(adev->gang_submit, true)(adev->gang_submit));

amdgpu_reset_fini(adev);

/* free i2c buses */
if (!amdgpu_device_has_dc_support(adev))
amdgpu_i2c_fini(adev);

if (amdgpu_emu_mode != 1)
amdgpu_atombios_fini(adev);

kfree(adev->bios);
adev->bios = NULL((void *)0);

px = amdgpu_device_supports_px(adev_to_drm(adev));

if (px || (!dev_is_removable(&adev->pdev->dev)0 &&
		apple_gmux_detect(NULL((void *)0), NULL((void *)0))))
vga_switcheroo_unregister_client(adev->pdev);

if (px)
vga_switcheroo_fini_domain_pm_ops(adev->dev);

if ((adev->pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA((0x03 << 8) | 0x00))
vga_client_unregister(adev->pdev);

if (drm_dev_enter(adev_to_drm(adev), &idx)) {
4245#ifdef __linux__
iounmap(adev->rmmio);
adev->rmmio = NULL((void *)0);
4248#else
if (adev->rmmio_size > 0)
	bus_space_unmap(adev->rmmio_bst, adev->rmmio_bsh,
	    adev->rmmio_size);
adev->rmmio_size = 0;
adev->rmmio = NULL((void *)0);
4254#endif
amdgpu_device_doorbell_fini(adev);
drm_dev_exit(idx);
}

if (IS_ENABLED(CONFIG_PERF_EVENTS)0)
amdgpu_pmu_fini(adev);
if (adev->mman.discovery_bin)
amdgpu_discovery_fini(adev);

amdgpu_reset_put_reset_domain(adev->reset_domain);
adev->reset_domain = NULL((void *)0);

kfree(adev->pci_state);

4269}

4271/**
* amdgpu_device_evict_resources - evict device resources
* @adev: amdgpu device object
*
* Evicts all ttm device resources(vram BOs, gart table) from the lru list
* of the vram memory type. Mainly used for evicting device resources
* at suspend time.
*
*/
4280static int amdgpu_device_evict_resources(struct amdgpu_device *adev)
4281{
int ret;

/* No need to evict vram on APUs for suspend to ram or s2idle */
if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU))
return 0;

ret = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM2);
if (ret)
DRM_WARN("evicting device resources failed\n")printk("\0014" "[" "drm" "] " "evicting device resources failed\n"
);
return ret;
4292}

4294/*
* Suspend & resume.
*/
4297/**
* amdgpu_device_suspend - initiate device suspend
*
* @dev: drm dev pointer
* @fbcon : notify the fbdev of suspend
*
* Puts the hw in the suspend state (all asics).
* Returns 0 for success or an error on failure.
* Called at driver suspend.
*/
4307int amdgpu_device_suspend(struct drm_device *dev, bool_Bool fbcon)
4308{
struct amdgpu_device *adev = drm_to_adev(dev);
int r = 0;

if (adev->shutdown)
return 0;

4315#ifdef notyet
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
4318#endif

adev->in_suspend = true1;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
amdgpu_virt_fini_data_exchange(adev);
r = amdgpu_virt_request_full_gpu(adev, false0);
if (r)
	return r;
}

if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D3))
DRM_WARN("smart shift update failed\n")printk("\0014" "[" "drm" "] " "smart shift update failed\n");

drm_kms_helper_poll_disable(dev);

if (fbcon)
drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, true1);

cancel_delayed_work_sync(&adev->delayed_init_work);
flush_delayed_work(&adev->gfx.gfx_off_delay_work);

amdgpu_ras_suspend(adev);

amdgpu_device_ip_suspend_phase1(adev);

if (!adev->in_s0ix)
amdgpu_amdkfd_suspend(adev, adev->in_runpm);

r = amdgpu_device_evict_resources(adev);
if (r)
return r;

amdgpu_fence_driver_hw_fini(adev);

amdgpu_device_ip_suspend_phase2(adev);

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
amdgpu_virt_release_full_gpu(adev, false0);

return 0;
4359}

4361/**
* amdgpu_device_resume - initiate device resume
*
* @dev: drm dev pointer
* @fbcon : notify the fbdev of resume
*
* Bring the hw back to operating state (all asics).
* Returns 0 for success or an error on failure.
* Called at driver resume.
*/
4371int amdgpu_device_resume(struct drm_device *dev, bool_Bool fbcon)
4372{
struct amdgpu_device *adev = drm_to_adev(dev);
int r = 0;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
r = amdgpu_virt_request_full_gpu(adev, true1);
if (r)
	return r;
}

4382#ifdef notyet
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
4385#endif

if (adev->in_s0ix)
amdgpu_dpm_gfx_state_change(adev, sGpuChangeState_D0Entry);

/* post card */
if (amdgpu_device_need_post(adev)) {
r = amdgpu_device_asic_init(adev);
if (r)
	dev_err(adev->dev, "amdgpu asic init failed\n")printf("drm:pid%d:%s *ERROR* " "amdgpu asic init failed\n", (
{struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
}

r = amdgpu_device_ip_resume(adev);

/* no matter what r is, always need to properly release full GPU */
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true1);
}

if (r) {
dev_err(adev->dev, "amdgpu_device_ip_resume failed (%d).\n", r)printf("drm:pid%d:%s *ERROR* " "amdgpu_device_ip_resume failed (%d).\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r);
return r;
}
amdgpu_fence_driver_hw_init(adev);

r = amdgpu_device_ip_late_init(adev);
if (r)
return r;

queue_delayed_work(system_wq, &adev->delayed_init_work,
	   msecs_to_jiffies(AMDGPU_RESUME_MS)(((uint64_t)(2000)) * hz / 1000));

if (!adev->in_s0ix) {
r = amdgpu_amdkfd_resume(adev, adev->in_runpm);
if (r)
	return r;
}

/* Make sure IB tests flushed */
flush_delayed_work(&adev->delayed_init_work);

if (adev->in_s0ix) {
/* re-enable gfxoff after IP resume. This re-enables gfxoff after
 * it was disabled for IP resume in amdgpu_device_ip_resume_phase2().
 */
amdgpu_gfx_off_ctrl(adev, true1);
DRM_DEBUG("will enable gfxoff for the mission mode\n")___drm_dbg(((void *)0), DRM_UT_CORE, "will enable gfxoff for the mission mode\n"
);
}
if (fbcon)
drm_fb_helper_set_suspend_unlocked(adev_to_drm(adev)->fb_helper, false0);

drm_kms_helper_poll_enable(dev);

amdgpu_ras_resume(adev);

/*
* Most of the connector probing functions try to acquire runtime pm
* refs to ensure that the GPU is powered on when connector polling is
* performed. Since we're calling this from a runtime PM callback,
* trying to acquire rpm refs will cause us to deadlock.
*
* Since we're guaranteed to be holding the rpm lock, it's safe to
* temporarily disable the rpm helpers so this doesn't deadlock us.
*/
4450#if defined(CONFIG_PM) && defined(__linux__)
dev->dev->power.disable_depth++;
4452#endif
if (!amdgpu_device_has_dc_support(adev))
drm_helper_hpd_irq_event(dev);
else
drm_kms_helper_hotplug_event(dev);
4457#if defined(CONFIG_PM) && defined(__linux__)
dev->dev->power.disable_depth--;
4459#endif
adev->in_suspend = false0;

if (adev->enable_mes)
amdgpu_mes_self_test(adev);

if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DEV_D0))
DRM_WARN("smart shift update failed\n")printk("\0014" "[" "drm" "] " "smart shift update failed\n");

return 0;
4469}

4471/**
* amdgpu_device_ip_check_soft_reset - did soft reset succeed
*
* @adev: amdgpu_device pointer
*
* The list of all the hardware IPs that make up the asic is walked and
* the check_soft_reset callbacks are run.  check_soft_reset determines
* if the asic is still hung or not.
* Returns true if any of the IPs are still in a hung state, false if not.
*/
4481static bool_Bool amdgpu_device_ip_check_soft_reset(struct amdgpu_device *adev)
4482{
int i;
bool_Bool asic_hang = false0;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
return true1;

if (amdgpu_asic_need_full_reset(adev)(adev)->asic_funcs->need_full_reset((adev)))
return true1;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].version->funcs->check_soft_reset)
	adev->ip_blocks[i].status.hang =
		adev->ip_blocks[i].version->funcs->check_soft_reset(adev);
if (adev->ip_blocks[i].status.hang) {
	dev_info(adev->dev, "IP block:%s is hung!\n", adev->ip_blocks[i].version->funcs->name)do { } while(0);
	asic_hang = true1;
}
}
return asic_hang;
4504}

4506/**
* amdgpu_device_ip_pre_soft_reset - prepare for soft reset
*
* @adev: amdgpu_device pointer
*
* The list of all the hardware IPs that make up the asic is walked and the
* pre_soft_reset callbacks are run if the block is hung.  pre_soft_reset
* handles any IP specific hardware or software state changes that are
* necessary for a soft reset to succeed.
* Returns 0 on success, negative error code on failure.
*/
4517static int amdgpu_device_ip_pre_soft_reset(struct amdgpu_device *adev)
4518{
int i, r = 0;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].status.hang &&
    adev->ip_blocks[i].version->funcs->pre_soft_reset) {
	r = adev->ip_blocks[i].version->funcs->pre_soft_reset(adev);
	if (r)
		return r;
}
}

return 0;
4533}

4535/**
* amdgpu_device_ip_need_full_reset - check if a full asic reset is needed
*
* @adev: amdgpu_device pointer
*
* Some hardware IPs cannot be soft reset.  If they are hung, a full gpu
* reset is necessary to recover.
* Returns true if a full asic reset is required, false if not.
*/
4544static bool_Bool amdgpu_device_ip_need_full_reset(struct amdgpu_device *adev)
4545{
int i;

if (amdgpu_asic_need_full_reset(adev)(adev)->asic_funcs->need_full_reset((adev)))
return true1;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if ((adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) ||
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_SMC) ||
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_ACP) ||
    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_DCE) ||
     adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP) {
	if (adev->ip_blocks[i].status.hang) {
		dev_info(adev->dev, "Some block need full reset!\n")do { } while(0);
		return true1;
	}
}
}
return false0;
4566}

4568/**
* amdgpu_device_ip_soft_reset - do a soft reset
*
* @adev: amdgpu_device pointer
*
* The list of all the hardware IPs that make up the asic is walked and the
* soft_reset callbacks are run if the block is hung.  soft_reset handles any
* IP specific hardware or software state changes that are necessary to soft
* reset the IP.
* Returns 0 on success, negative error code on failure.
*/
4579static int amdgpu_device_ip_soft_reset(struct amdgpu_device *adev)
4580{
int i, r = 0;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].status.hang &&
    adev->ip_blocks[i].version->funcs->soft_reset) {
	r = adev->ip_blocks[i].version->funcs->soft_reset(adev);
	if (r)
		return r;
}
}

return 0;
4595}

4597/**
* amdgpu_device_ip_post_soft_reset - clean up from soft reset
*
* @adev: amdgpu_device pointer
*
* The list of all the hardware IPs that make up the asic is walked and the
* post_soft_reset callbacks are run if the asic was hung.  post_soft_reset
* handles any IP specific hardware or software state changes that are
* necessary after the IP has been soft reset.
* Returns 0 on success, negative error code on failure.
*/
4608static int amdgpu_device_ip_post_soft_reset(struct amdgpu_device *adev)
4609{
int i, r = 0;

for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
	continue;
if (adev->ip_blocks[i].status.hang &&
    adev->ip_blocks[i].version->funcs->post_soft_reset)
	r = adev->ip_blocks[i].version->funcs->post_soft_reset(adev);
if (r)
	return r;
}

return 0;
4623}

4625/**
* amdgpu_device_recover_vram - Recover some VRAM contents
*
* @adev: amdgpu_device pointer
*
* Restores the contents of VRAM buffers from the shadows in GTT.  Used to
* restore things like GPUVM page tables after a GPU reset where
* the contents of VRAM might be lost.
*
* Returns:
* 0 on success, negative error code on failure.
*/
4637static int amdgpu_device_recover_vram(struct amdgpu_device *adev)
4638{
struct dma_fence *fence = NULL((void *)0), *next = NULL((void *)0);
struct amdgpu_bo *shadow;
struct amdgpu_bo_vm *vmbo;
long r = 1, tmo;

if (amdgpu_sriov_runtime(adev)((adev)->virt.caps & (1 << 4)))
tmo = msecs_to_jiffies(8000)(((uint64_t)(8000)) * hz / 1000);
else
tmo = msecs_to_jiffies(100)(((uint64_t)(100)) * hz / 1000);

dev_info(adev->dev, "recover vram bo from shadow start\n")do { } while(0);
mutex_lock(&adev->shadow_list_lock)rw_enter_write(&adev->shadow_list_lock);
list_for_each_entry(vmbo, &adev->shadow_list, shadow_list)for (vmbo = ({ const __typeof( ((__typeof(*vmbo) *)0)->shadow_list
 ) *__mptr = ((&adev->shadow_list)->next); (__typeof
(*vmbo) *)( (char *)__mptr - __builtin_offsetof(__typeof(*vmbo
), shadow_list) );}); &vmbo->shadow_list != (&adev
->shadow_list); vmbo = ({ const __typeof( ((__typeof(*vmbo
) *)0)->shadow_list ) *__mptr = (vmbo->shadow_list.next
); (__typeof(*vmbo) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*vmbo), shadow_list) );})) {
/* If vm is compute context or adev is APU, shadow will be NULL */
if (!vmbo->shadow)
	continue;
shadow = vmbo->shadow;

/* No need to recover an evicted BO */
if (shadow->tbo.resource->mem_type != TTM_PL_TT1 ||
    shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET0x7fffffffffffffffL ||
    shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM2)
	continue;

r = amdgpu_bo_restore_shadow(shadow, &next);
if (r)
	break;

if (fence) {
	tmo = dma_fence_wait_timeout(fence, false0, tmo);
	dma_fence_put(fence);
	fence = next;
	if (tmo == 0) {
		r = -ETIMEDOUT60;
		break;
	} else if (tmo < 0) {
		r = tmo;
		break;
	}
} else {
	fence = next;
}
}
mutex_unlock(&adev->shadow_list_lock)rw_exit_write(&adev->shadow_list_lock);

if (fence)
tmo = dma_fence_wait_timeout(fence, false0, tmo);
dma_fence_put(fence);

if (r < 0 || tmo <= 0) {
dev_err(adev->dev, "recover vram bo from shadow failed, r is %ld, tmo is %ld\n", r, tmo)printf("drm:pid%d:%s *ERROR* " "recover vram bo from shadow failed, r is %ld, tmo is %ld\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r, tmo
);
return -EIO5;
}

dev_info(adev->dev, "recover vram bo from shadow done\n")do { } while(0);
return 0;
4695}


4698/**
* amdgpu_device_reset_sriov - reset ASIC for SR-IOV vf
*
* @adev: amdgpu_device pointer
* @from_hypervisor: request from hypervisor
*
* do VF FLR and reinitialize Asic
* return 0 means succeeded otherwise failed
*/
4707static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
		     bool_Bool from_hypervisor)
4709{
int r;
struct amdgpu_hive_info *hive = NULL((void *)0);
int retry_limit = 0;

4714retry:
amdgpu_amdkfd_pre_reset(adev);

if (from_hypervisor)
r = amdgpu_virt_request_full_gpu(adev, true1);
else
r = amdgpu_virt_reset_gpu(adev);
if (r)
return r;

/* Resume IP prior to SMC */
r = amdgpu_device_ip_reinit_early_sriov(adev);
if (r)
goto error;

amdgpu_virt_init_data_exchange(adev);

r = amdgpu_device_fw_loading(adev);
if (r)
return r;

/* now we are okay to resume SMC/CP/SDMA */
r = amdgpu_device_ip_reinit_late_sriov(adev);
if (r)
goto error;

hive = amdgpu_get_xgmi_hive(adev);
/* Update PSP FW topology after reset */
if (hive && adev->gmc.xgmi.num_physical_nodes > 1)
r = amdgpu_xgmi_update_topology(hive, adev);

if (hive)
amdgpu_put_xgmi_hive(hive);

if (!r) {
amdgpu_irq_gpu_reset_resume_helper(adev);
r = amdgpu_ib_ring_tests(adev);

amdgpu_amdkfd_post_reset(adev);
}

4755error:
if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
amdgpu_inc_vram_lost(adev)__sync_fetch_and_add(&((adev)->vram_lost_counter), 1);;
r = amdgpu_device_recover_vram(adev);
}
amdgpu_virt_release_full_gpu(adev, true1);

if (AMDGPU_RETRY_SRIOV_RESET(r)((r) == -16 || (r) == -60 || (r) == -22)) {
if (retry_limit < AMDGPU_MAX_RETRY_LIMIT2) {
	retry_limit++;
	goto retry;
} else
	DRM_ERROR("GPU reset retry is beyond the retry limit\n")__drm_err("GPU reset retry is beyond the retry limit\n");
}

return r;
4771}

4773/**
* amdgpu_device_has_job_running - check if there is any job in mirror list
*
* @adev: amdgpu_device pointer
*
* check if there is any job in mirror list
*/
4780bool_Bool amdgpu_device_has_job_running(struct amdgpu_device *adev)
4781{
int i;
struct drm_sched_job *job;

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
struct amdgpu_ring *ring = adev->rings[i];

if (!ring || !ring->sched.thread)
	continue;

spin_lock(&ring->sched.job_list_lock)mtx_enter(&ring->sched.job_list_lock);
job = list_first_entry_or_null(&ring->sched.pending_list,(list_empty(&ring->sched.pending_list) ? ((void *)0) :
 ({ const __typeof( ((struct drm_sched_job *)0)->list ) *__mptr
 = ((&ring->sched.pending_list)->next); (struct drm_sched_job
 *)( (char *)__mptr - __builtin_offsetof(struct drm_sched_job
, list) );}))
			       struct drm_sched_job, list)(list_empty(&ring->sched.pending_list) ? ((void *)0) :
 ({ const __typeof( ((struct drm_sched_job *)0)->list ) *__mptr
 = ((&ring->sched.pending_list)->next); (struct drm_sched_job
 *)( (char *)__mptr - __builtin_offsetof(struct drm_sched_job
, list) );}));
spin_unlock(&ring->sched.job_list_lock)mtx_leave(&ring->sched.job_list_lock);
if (job)
	return true1;
}
return false0;
4799}

4801/**
* amdgpu_device_should_recover_gpu - check if we should try GPU recovery
*
* @adev: amdgpu_device pointer
*
* Check amdgpu_gpu_recovery and SRIOV status to see if we should try to recover
* a hung GPU.
*/
4809bool_Bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev)
4810{

if (amdgpu_gpu_recovery == 0)
goto disabled;

if (!amdgpu_device_ip_check_soft_reset(adev)) {
dev_info(adev->dev,"Timeout, but no hardware hang detected.\n")do { } while(0);
return false0;
}

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
return true1;

if (amdgpu_gpu_recovery == -1) {
switch (adev->asic_type) {
4825#ifdef CONFIG_DRM_AMDGPU_SI
case CHIP_VERDE:
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_OLAND:
case CHIP_HAINAN:
4831#endif
4832#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_MULLINS:
4836#endif
case CHIP_CARRIZO:
case CHIP_STONEY:
case CHIP_CYAN_SKILLFISH:
	goto disabled;
default:
	break;
}
}

return true1;

4848disabled:
dev_info(adev->dev, "GPU recovery disabled.\n")do { } while(0);
return false0;
4851}

4853int amdgpu_device_mode1_reset(struct amdgpu_device *adev)
4854{
      u32 i;
      int ret = 0;

      amdgpu_atombios_scratch_regs_engine_hung(adev, true1);

      dev_info(adev->dev, "GPU mode1 reset\n")do { } while(0);

      /* disable BM */
      pci_clear_master(adev->pdev);

      amdgpu_device_cache_pci_state(adev->pdev);

      if (amdgpu_dpm_is_mode1_reset_supported(adev)) {
              dev_info(adev->dev, "GPU smu mode1 reset\n")do { } while(0);
              ret = amdgpu_dpm_mode1_reset(adev);
      } else {
              dev_info(adev->dev, "GPU psp mode1 reset\n")do { } while(0);
              ret = psp_gpu_reset(adev);
      }

      if (ret)
              dev_err(adev->dev, "GPU mode1 reset failed\n")printf("drm:pid%d:%s *ERROR* " "GPU mode1 reset failed\n", ({
struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);

      amdgpu_device_load_pci_state(adev->pdev);

      /* wait for asic to come out of reset */
      for (i = 0; i < adev->usec_timeout; i++) {
              u32 memsize = adev->nbio.funcs->get_memsize(adev);

              if (memsize != 0xffffffff)
                      break;
              udelay(1);
      }

      amdgpu_atombios_scratch_regs_engine_hung(adev, false0);
      return ret;
4891}

4893int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
		 struct amdgpu_reset_context *reset_context)
4895{
int i, r = 0;
struct amdgpu_job *job = NULL((void *)0);
bool_Bool need_full_reset =
test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);

if (reset_context->reset_req_dev == adev)
job = reset_context->job;

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
/* stop the data exchange thread */
amdgpu_virt_fini_data_exchange(adev);
}

amdgpu_fence_driver_isr_toggle(adev, true1);

/* block all schedulers and reset given job's ring */
for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
struct amdgpu_ring *ring = adev->rings[i];

if (!ring || !ring->sched.thread)
	continue;

/*clear job fence from fence drv to avoid force_completion
 *leave NULL and vm flush fence in fence drv */
amdgpu_fence_driver_clear_job_fences(ring);

/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
amdgpu_fence_driver_force_completion(ring);
}

amdgpu_fence_driver_isr_toggle(adev, false0);

if (job && job->vm)
drm_sched_increase_karma(&job->base);

r = amdgpu_reset_prepare_hwcontext(adev, reset_context);
/* If reset handler not implemented, continue; otherwise return */
if (r == -ENOSYS78)
r = 0;
else
return r;

/* Don't suspend on bare metal if we are not going to HW reset the ASIC */
if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {

if (!need_full_reset)
	need_full_reset = amdgpu_device_ip_need_full_reset(adev);

if (!need_full_reset && amdgpu_gpu_recovery) {
	amdgpu_device_ip_pre_soft_reset(adev);
	r = amdgpu_device_ip_soft_reset(adev);
	amdgpu_device_ip_post_soft_reset(adev);
	if (r || amdgpu_device_ip_check_soft_reset(adev)) {
		dev_info(adev->dev, "soft reset failed, will fallback to full reset!\n")do { } while(0);
		need_full_reset = true1;
	}
}

if (need_full_reset)
	r = amdgpu_device_ip_suspend(adev);
if (need_full_reset)
	set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);
else
	clear_bit(AMDGPU_NEED_FULL_RESET,
		  &reset_context->flags);
}

return r;
4964}

4966static int amdgpu_reset_reg_dumps(struct amdgpu_device *adev)
4967{
int i;

lockdep_assert_held(&adev->reset_domain->sem)do { (void)(&adev->reset_domain->sem); } while(0);

for (i = 0; i < adev->num_regs; i++) {
adev->reset_dump_reg_value[i] = RREG32(adev->reset_dump_reg_list[i])amdgpu_device_rreg(adev, (adev->reset_dump_reg_list[i]), 0
);
trace_amdgpu_reset_reg_dumps(adev->reset_dump_reg_list[i],
			     adev->reset_dump_reg_value[i]);
}

return 0;
4979}

4981#ifdef CONFIG_DEV_COREDUMP
4982static ssize_t amdgpu_devcoredump_read(char *buffer, loff_t offset,
size_t count, void *data, size_t datalen)
4984{
struct drm_printer p;
struct amdgpu_device *adev = data;
struct drm_print_iterator iter;
int i;

iter.data = buffer;
iter.offset = 0;
iter.start = offset;
iter.remain = count;

p = drm_coredump_printer(&iter);

drm_printf(&p, "**** AMDGPU Device Coredump ****\n");
drm_printf(&p, "kernel: " UTS_RELEASE"" "\n");
drm_printf(&p, "module: " KBUILD_MODNAME "\n");
drm_printf(&p, "time: %lld.%09ld\n", adev->reset_time.tv_sec, adev->reset_time.tv_nsec);
if (adev->reset_task_info.pid)
drm_printf(&p, "process_name: %s PID: %d\n",
	   adev->reset_task_info.process_name,
	   adev->reset_task_info.pid);

if (adev->reset_vram_lost)
drm_printf(&p, "VRAM is lost due to GPU reset!\n");
if (adev->num_regs) {
drm_printf(&p, "AMDGPU register dumps:\nOffset:     Value:\n");

for (i = 0; i < adev->num_regs; i++)
	drm_printf(&p, "0x%08x: 0x%08x\n",
		   adev->reset_dump_reg_list[i],
		   adev->reset_dump_reg_value[i]);
}

return count - iter.remain;
5018}

5020static void amdgpu_devcoredump_free(void *data)
5021{
5022}

5024static void amdgpu_reset_capture_coredumpm(struct amdgpu_device *adev)
5025{
struct drm_device *dev = adev_to_drm(adev);

ktime_get_ts64(&adev->reset_time);
dev_coredumpm(dev->dev, THIS_MODULE((void *)0), adev, 0, GFP_KERNEL(0x0001 | 0x0004),
      amdgpu_devcoredump_read, amdgpu_devcoredump_free);
5031}
5032#endif

5034int amdgpu_do_asic_reset(struct list_head *device_list_handle,
	 struct amdgpu_reset_context *reset_context)
5036{
struct amdgpu_device *tmp_adev = NULL((void *)0);
bool_Bool need_full_reset, skip_hw_reset, vram_lost = false0;
int r = 0;
bool_Bool gpu_reset_for_dev_remove = 0;

/* Try reset handler method first */
tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device,({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );})
		    reset_list)({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );});
amdgpu_reset_reg_dumps(tmp_adev);

reset_context->reset_device_list = device_list_handle;
r = amdgpu_reset_perform_reset(tmp_adev, reset_context);
/* If reset handler not implemented, continue; otherwise return */
if (r == -ENOSYS78)
r = 0;
else
return r;

/* Reset handler not implemented, use the default method */
need_full_reset =
test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);
skip_hw_reset = test_bit(AMDGPU_SKIP_HW_RESET, &reset_context->flags);

gpu_reset_for_dev_remove =
test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) &&
	test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);

/*
* ASIC reset has to be done on all XGMI hive nodes ASAP
* to allow proper links negotiation in FW (within 1 sec)
*/
if (!skip_hw_reset && need_full_reset) {
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
	/* For XGMI run all resets in parallel to speed up the process */
	if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
		tmp_adev->gmc.xgmi.pending_reset = false0;
		if (!queue_work(system_unbound_wq, &tmp_adev->xgmi_reset_work))
			r = -EALREADY37;
	} else
		r = amdgpu_asic_reset(tmp_adev)(tmp_adev)->asic_funcs->reset((tmp_adev));

	if (r) {
		dev_err(tmp_adev->dev, "ASIC reset failed with error, %d for drm dev, %s",printf("drm:pid%d:%s *ERROR* " "ASIC reset failed with error, %d for drm dev, %s"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r, adev_to_drm
(tmp_adev)->unique)
			 r, adev_to_drm(tmp_adev)->unique)printf("drm:pid%d:%s *ERROR* " "ASIC reset failed with error, %d for drm dev, %s"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r, adev_to_drm
(tmp_adev)->unique);
		break;
	}
}

/* For XGMI wait for all resets to complete before proceed */
if (!r) {
	list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
		if (tmp_adev->gmc.xgmi.num_physical_nodes > 1) {
			flush_work(&tmp_adev->xgmi_reset_work);
			r = tmp_adev->asic_reset_res;
			if (r)
				break;
		}
	}
}
}

if (!r && amdgpu_ras_intr_triggered()) {
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
	if (tmp_adev->mmhub.ras && tmp_adev->mmhub.ras->ras_block.hw_ops &&
	    tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count)
		tmp_adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(tmp_adev);
}

amdgpu_ras_intr_cleared();
}

/* Since the mode1 reset affects base ip blocks, the
* phase1 ip blocks need to be resumed. Otherwise there
* will be a BIOS signature error and the psp bootloader
* can't load kdb on the next amdgpu install.
*/
if (gpu_reset_for_dev_remove) {
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );}))
	amdgpu_device_ip_resume_phase1(tmp_adev);

goto end;
}

list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
if (need_full_reset) {
	/* post card */
	r = amdgpu_device_asic_init(tmp_adev);
	if (r) {
		dev_warn(tmp_adev->dev, "asic atom init failed!")printf("drm:pid%d:%s *WARNING* " "asic atom init failed!", ({
struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
	} else {
		dev_info(tmp_adev->dev, "GPU reset succeeded, trying to resume\n")do { } while(0);
		r = amdgpu_amdkfd_resume_iommu(tmp_adev);
		if (r)
			goto out;

		r = amdgpu_device_ip_resume_phase1(tmp_adev);
		if (r)
			goto out;

		vram_lost = amdgpu_device_check_vram_lost(tmp_adev);
5137#ifdef CONFIG_DEV_COREDUMP
		tmp_adev->reset_vram_lost = vram_lost;
		memset(&tmp_adev->reset_task_info, 0,__builtin_memset((&tmp_adev->reset_task_info), (0), (sizeof
(tmp_adev->reset_task_info)))
				sizeof(tmp_adev->reset_task_info))__builtin_memset((&tmp_adev->reset_task_info), (0), (sizeof
(tmp_adev->reset_task_info)));
		if (reset_context->job && reset_context->job->vm)
			tmp_adev->reset_task_info =
				reset_context->job->vm->task_info;
		amdgpu_reset_capture_coredumpm(tmp_adev);
5145#endif
		if (vram_lost) {
			DRM_INFO("VRAM is lost due to GPU reset!\n")printk("\0016" "[" "drm" "] " "VRAM is lost due to GPU reset!\n"
);
			amdgpu_inc_vram_lost(tmp_adev)__sync_fetch_and_add(&((tmp_adev)->vram_lost_counter),
 1);;
		}

		r = amdgpu_device_fw_loading(tmp_adev);
		if (r)
			return r;

		r = amdgpu_device_ip_resume_phase2(tmp_adev);
		if (r)
			goto out;

		if (vram_lost)
			amdgpu_device_fill_reset_magic(tmp_adev);

		/*
		 * Add this ASIC as tracked as reset was already
		 * complete successfully.
		 */
		amdgpu_register_gpu_instance(tmp_adev);

		if (!reset_context->hive &&
		    tmp_adev->gmc.xgmi.num_physical_nodes > 1)
			amdgpu_xgmi_add_device(tmp_adev);

		r = amdgpu_device_ip_late_init(tmp_adev);
		if (r)
			goto out;

		drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, false0);

		/*
		 * The GPU enters bad state once faulty pages
		 * by ECC has reached the threshold, and ras
		 * recovery is scheduled next. So add one check
		 * here to break recovery if it indeed exceeds
		 * bad page threshold, and remind user to
		 * retire this GPU or setting one bigger
		 * bad_page_threshold value to fix this once
		 * probing driver again.
		 */
		if (!amdgpu_ras_eeprom_check_err_threshold(tmp_adev)) {
			/* must succeed. */
			amdgpu_ras_resume(tmp_adev);
		} else {
			r = -EINVAL22;
			goto out;
		}

		/* Update PSP FW topology after reset */
		if (reset_context->hive &&
		    tmp_adev->gmc.xgmi.num_physical_nodes > 1)
			r = amdgpu_xgmi_update_topology(
				reset_context->hive, tmp_adev);
	}
}

5204out:
if (!r) {
	amdgpu_irq_gpu_reset_resume_helper(tmp_adev);
	r = amdgpu_ib_ring_tests(tmp_adev);
	if (r) {
		dev_err(tmp_adev->dev, "ib ring test failed (%d).\n", r)printf("drm:pid%d:%s *ERROR* " "ib ring test failed (%d).\n",
 ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r);
		need_full_reset = true1;
		r = -EAGAIN35;
		goto end;
	}
}

if (!r)
	r = amdgpu_device_recover_vram(tmp_adev);
else
	tmp_adev->asic_reset_res = r;
}

5222end:
if (need_full_reset)
set_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);
else
clear_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);
return r;
5228}

5230static void amdgpu_device_set_mp1_state(struct amdgpu_device *adev)
5231{

switch (amdgpu_asic_reset_method(adev)(adev)->asic_funcs->reset_method((adev))) {
case AMD_RESET_METHOD_MODE1:
adev->mp1_state = PP_MP1_STATE_SHUTDOWN;
break;
case AMD_RESET_METHOD_MODE2:
adev->mp1_state = PP_MP1_STATE_RESET;
break;
default:
adev->mp1_state = PP_MP1_STATE_NONE;
break;
}

pci_dev_put(p);
5246}

5248static void amdgpu_device_unset_mp1_state(struct amdgpu_device *adev)
5249{
amdgpu_vf_error_trans_all(adev);
adev->mp1_state = PP_MP1_STATE_NONE;
5252}

5254static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev)
5255{
STUB()do { printf("%s: stub\n", __func__); } while(0);
5257#ifdef notyet
struct pci_dev *p = NULL((void *)0);

p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
	adev->pdev->bus->number, 1);
if (p) {
pm_runtime_enable(&(p->dev));
pm_runtime_resume(&(p->dev));
}
5266#endif
5267}

5269static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev)
5270{
enum amd_reset_method reset_method;
struct pci_dev *p = NULL((void *)0);
u64 expires;

/*
* For now, only BACO and mode1 reset are confirmed
* to suffer the audio issue without proper suspended.
*/
reset_method = amdgpu_asic_reset_method(adev)(adev)->asic_funcs->reset_method((adev));
if ((reset_method != AMD_RESET_METHOD_BACO) &&
    (reset_method != AMD_RESET_METHOD_MODE1))
return -EINVAL22;

STUB()do { printf("%s: stub\n", __func__); } while(0);
return -ENOSYS78;
5286#ifdef notyet

p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
	adev->pdev->bus->number, 1);
if (!p)
return -ENODEV19;

expires = pm_runtime_autosuspend_expiration(&(p->dev));
if (!expires)
/*
 * If we cannot get the audio device autosuspend delay,
 * a fixed 4S interval will be used. Considering 3S is
 * the audio controller default autosuspend delay setting.
 * 4S used here is guaranteed to cover that.
 */
expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC1000000000L * 4ULL;

while (!pm_runtime_status_suspended(&(p->dev))) {
if (!pm_runtime_suspend(&(p->dev)))
	break;

if (expires < ktime_get_mono_fast_ns()) {
	dev_warn(adev->dev, "failed to suspend display audio\n")printf("drm:pid%d:%s *WARNING* " "failed to suspend display audio\n"
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__);
	pci_dev_put(p);
	/* TODO: abort the succeeding gpu reset? */
	return -ETIMEDOUT60;
}
}

pm_runtime_disable(&(p->dev));

pci_dev_put(p);
return 0;
5319#endif
5320}

5322static void amdgpu_device_recheck_guilty_jobs(
struct amdgpu_device *adev, struct list_head *device_list_handle,
struct amdgpu_reset_context *reset_context)
5325{
int i, r = 0;

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
int ret = 0;
struct drm_sched_job *s_job;

if (!ring || !ring->sched.thread)
	continue;

s_job = list_first_entry_or_null(&ring->sched.pending_list,(list_empty(&ring->sched.pending_list) ? ((void *)0) :
 ({ const __typeof( ((struct drm_sched_job *)0)->list ) *__mptr
 = ((&ring->sched.pending_list)->next); (struct drm_sched_job
 *)( (char *)__mptr - __builtin_offsetof(struct drm_sched_job
, list) );}))
		struct drm_sched_job, list)(list_empty(&ring->sched.pending_list) ? ((void *)0) :
 ({ const __typeof( ((struct drm_sched_job *)0)->list ) *__mptr
 = ((&ring->sched.pending_list)->next); (struct drm_sched_job
 *)( (char *)__mptr - __builtin_offsetof(struct drm_sched_job
, list) );}));
if (s_job == NULL((void *)0))
	continue;

/* clear job's guilty and depend the folowing step to decide the real one */
drm_sched_reset_karma(s_job);
drm_sched_resubmit_jobs_ext(&ring->sched, 1);

if (!s_job->s_fence->parent) {
	DRM_WARN("Failed to get a HW fence for job!")printk("\0014" "[" "drm" "] " "Failed to get a HW fence for job!"
);
	continue;
}

ret = dma_fence_wait_timeout(s_job->s_fence->parent, false0, ring->sched.timeout);
if (ret == 0) { /* timeout */
	DRM_ERROR("Found the real bad job! ring:%s, job_id:%llx\n",__drm_err("Found the real bad job! ring:%s, job_id:%llx\n", ring
->sched.name, s_job->id)
				ring->sched.name, s_job->id)__drm_err("Found the real bad job! ring:%s, job_id:%llx\n", ring
->sched.name, s_job->id);


	amdgpu_fence_driver_isr_toggle(adev, true1);

	/* Clear this failed job from fence array */
	amdgpu_fence_driver_clear_job_fences(ring);

	amdgpu_fence_driver_isr_toggle(adev, false0);

	/* Since the job won't signal and we go for
	 * another resubmit drop this parent pointer
	 */
	dma_fence_put(s_job->s_fence->parent);
	s_job->s_fence->parent = NULL((void *)0);

	/* set guilty */
	drm_sched_increase_karma(s_job);
	amdgpu_reset_prepare_hwcontext(adev, reset_context);
5372retry:
	/* do hw reset */
	if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
		amdgpu_virt_fini_data_exchange(adev);
		r = amdgpu_device_reset_sriov(adev, false0);
		if (r)
			adev->asic_reset_res = r;
	} else {
		clear_bit(AMDGPU_SKIP_HW_RESET,
			  &reset_context->flags);
		r = amdgpu_do_asic_reset(device_list_handle,
					 reset_context);
		if (r && r == -EAGAIN35)
			goto retry;
	}

	/*
	 * add reset counter so that the following
	 * resubmitted job could flush vmid
	 */
	atomic_inc(&adev->gpu_reset_counter)__sync_fetch_and_add(&adev->gpu_reset_counter, 1);
	continue;
}

/* got the hw fence, signal finished fence */
atomic_dec(ring->sched.score)__sync_fetch_and_sub(ring->sched.score, 1);
dma_fence_get(&s_job->s_fence->finished);
dma_fence_signal(&s_job->s_fence->finished);
dma_fence_put(&s_job->s_fence->finished);

/* remove node from list and free the job */
spin_lock(&ring->sched.job_list_lock)mtx_enter(&ring->sched.job_list_lock);
list_del_init(&s_job->list);
spin_unlock(&ring->sched.job_list_lock)mtx_leave(&ring->sched.job_list_lock);
ring->sched.ops->free_job(s_job);
}
5408}

5410static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev)
5411{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);

5414#if defined(CONFIG_DEBUG_FS)
if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
cancel_work(&adev->reset_work);
5417#endif

if (adev->kfd.dev)
cancel_work(&adev->kfd.reset_work);

if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
cancel_work(&adev->virt.flr_work);

if (con && adev->ras_enabled)
cancel_work(&con->recovery_work);

5428}


5431/**
* amdgpu_device_gpu_recover - reset the asic and recover scheduler
*
* @adev: amdgpu_device pointer
* @job: which job trigger hang
*
* Attempt to reset the GPU if it has hung (all asics).
* Attempt to do soft-reset or full-reset and reinitialize Asic
* Returns 0 for success or an error on failure.
*/

5442int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
	      struct amdgpu_job *job,
	      struct amdgpu_reset_context *reset_context)
5445{
struct list_head device_list, *device_list_handle =  NULL((void *)0);
bool_Bool job_signaled = false0;
struct amdgpu_hive_info *hive = NULL((void *)0);
struct amdgpu_device *tmp_adev = NULL((void *)0);
int i, r = 0;
bool_Bool need_emergency_restart = false0;
bool_Bool audio_suspended = false0;
int tmp_vram_lost_counter;
bool_Bool gpu_reset_for_dev_remove = false0;

gpu_reset_for_dev_remove =
	test_bit(AMDGPU_RESET_FOR_DEVICE_REMOVE, &reset_context->flags) &&
		test_bit(AMDGPU_NEED_FULL_RESET, &reset_context->flags);

/*
* Special case: RAS triggered and full reset isn't supported
*/
need_emergency_restart = amdgpu_ras_need_emergency_restart(adev);

/*
* Flush RAM to disk so that after reboot
* the user can read log and see why the system rebooted.
*/
if (need_emergency_restart && amdgpu_ras_get_context(adev) &&
amdgpu_ras_get_context(adev)->reboot) {
DRM_WARN("Emergency reboot.")printk("\0014" "[" "drm" "] " "Emergency reboot.");

5473#ifdef notyet
ksys_sync_helper();
emergency_restart();
5476#else
panic("emergency_restart");
5478#endif
}

dev_info(adev->dev, "GPU %s begin!\n",do { } while(0)
need_emergency_restart ? "jobs stop":"reset")do { } while(0);

if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)))
hive = amdgpu_get_xgmi_hive(adev);
if (hive)
mutex_lock(&hive->hive_lock)rw_enter_write(&hive->hive_lock);

reset_context->job = job;
reset_context->hive = hive;
/*
* Build list of devices to reset.
* In case we are in XGMI hive mode, resort the device list
* to put adev in the 1st position.
*/
INIT_LIST_HEAD(&device_list);
if (!amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2)) && (adev->gmc.xgmi.num_physical_nodes > 1)) {
list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->gmc.xgmi.head ) *__mptr = ((&hive->device_list)->
next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), gmc.xgmi.head) );}); &tmp_adev->
gmc.xgmi.head != (&hive->device_list); tmp_adev = ({ const
 __typeof( ((__typeof(*tmp_adev) *)0)->gmc.xgmi.head ) *__mptr
 = (tmp_adev->gmc.xgmi.head.next); (__typeof(*tmp_adev) *)
( (char *)__mptr - __builtin_offsetof(__typeof(*tmp_adev), gmc
.xgmi.head) );})) {
	list_add_tail(&tmp_adev->reset_list, &device_list);
	if (gpu_reset_for_dev_remove && adev->shutdown)
		tmp_adev->shutdown = true1;
}
if (!list_is_first(&adev->reset_list, &device_list))
	list_rotate_to_front(&adev->reset_list, &device_list);
device_list_handle = &device_list;
} else {
list_add_tail(&adev->reset_list, &device_list);
device_list_handle = &device_list;
}

/* We need to lock reset domain only once both for XGMI and single device */
tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device,({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );})
		    reset_list)({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );});
amdgpu_device_lock_reset_domain(tmp_adev->reset_domain);

/* block all schedulers and reset given job's ring */
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {

amdgpu_device_set_mp1_state(tmp_adev);

/*
 * Try to put the audio codec into suspend state
 * before gpu reset started.
 *
 * Due to the power domain of the graphics device
 * is shared with AZ power domain. Without this,
 * we may change the audio hardware from behind
 * the audio driver's back. That will trigger
 * some audio codec errors.
 */
if (!amdgpu_device_suspend_display_audio(tmp_adev))
	audio_suspended = true1;

amdgpu_ras_set_error_query_ready(tmp_adev, false0);

cancel_delayed_work_sync(&tmp_adev->delayed_init_work);

if (!amdgpu_sriov_vf(tmp_adev)((tmp_adev)->virt.caps & (1 << 2)))
	amdgpu_amdkfd_pre_reset(tmp_adev);

/*
 * Mark these ASICs to be reseted as untracked first
 * And add them back after reset completed
 */
amdgpu_unregister_gpu_instance(tmp_adev);

drm_fb_helper_set_suspend_unlocked(adev_to_drm(tmp_adev)->fb_helper, true1);

/* disable ras on ALL IPs */
if (!need_emergency_restart &&
      amdgpu_device_ip_need_full_reset(tmp_adev))
	amdgpu_ras_suspend(tmp_adev);

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
	struct amdgpu_ring *ring = tmp_adev->rings[i];

	if (!ring || !ring->sched.thread)
		continue;

	drm_sched_stop(&ring->sched, job ? &job->base : NULL((void *)0));

	if (need_emergency_restart)
		amdgpu_job_stop_all_jobs_on_sched(&ring->sched);
}
atomic_inc(&tmp_adev->gpu_reset_counter)__sync_fetch_and_add(&tmp_adev->gpu_reset_counter, 1);
}

if (need_emergency_restart)
goto skip_sched_resume;

/*
* Must check guilty signal here since after this point all old
* HW fences are force signaled.
*
* job->base holds a reference to parent fence
*/
if (job && dma_fence_is_signaled(&job->hw_fence)) {
job_signaled = true1;
dev_info(adev->dev, "Guilty job already signaled, skipping HW reset")do { } while(0);
goto skip_hw_reset;
}

5583retry:	/* Rest of adevs pre asic reset from XGMI hive. */
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
if (gpu_reset_for_dev_remove) {
	/* Workaroud for ASICs need to disable SMC first */
	amdgpu_device_smu_fini_early(tmp_adev);
}
r = amdgpu_device_pre_asic_reset(tmp_adev, reset_context);
/*TODO Should we stop ?*/
if (r) {
	dev_err(tmp_adev->dev, "GPU pre asic reset failed with err, %d for drm dev, %s ",printf("drm:pid%d:%s *ERROR* " "GPU pre asic reset failed with err, %d for drm dev, %s "
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r, adev_to_drm
(tmp_adev)->unique)
		  r, adev_to_drm(tmp_adev)->unique)printf("drm:pid%d:%s *ERROR* " "GPU pre asic reset failed with err, %d for drm dev, %s "
, ({struct cpu_info *__ci; asm volatile("movq %%gs:%P1,%0" : "=r"
 (__ci) :"n" (__builtin_offsetof(struct cpu_info, ci_self)));
 __ci;})->ci_curproc->p_p->ps_pid, __func__ , r, adev_to_drm
(tmp_adev)->unique);
	tmp_adev->asic_reset_res = r;
}

/*
 * Drop all pending non scheduler resets. Scheduler resets
 * were already dropped during drm_sched_stop
 */
amdgpu_device_stop_pending_resets(tmp_adev);
}

tmp_vram_lost_counter = atomic_read(&((adev)->vram_lost_counter))({ typeof(*(&((adev)->vram_lost_counter))) __tmp = *(volatile
 typeof(*(&((adev)->vram_lost_counter))) *)&(*(&
((adev)->vram_lost_counter))); membar_datadep_consumer(); __tmp
; });
/* Actual ASIC resets if needed.*/
/* Host driver will handle XGMI hive reset for SRIOV */
if (amdgpu_sriov_vf(adev)((adev)->virt.caps & (1 << 2))) {
r = amdgpu_device_reset_sriov(adev, job ? false0 : true1);
if (r)
	adev->asic_reset_res = r;

/* Aldebaran supports ras in SRIOV, so need resume ras during reset */
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)(((9) << 16) | ((4) << 8) | (2)))
	amdgpu_ras_resume(adev);
} else {
r = amdgpu_do_asic_reset(device_list_handle, reset_context);
if (r && r == -EAGAIN35)
	goto retry;

if (!r && gpu_reset_for_dev_remove)
	goto recover_end;
}

5624skip_hw_reset:

/* Post ASIC reset for all devs .*/
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {

/*
 * Sometimes a later bad compute job can block a good gfx job as gfx
 * and compute ring share internal GC HW mutually. We add an additional
 * guilty jobs recheck step to find the real guilty job, it synchronously
 * submits and pends for the first job being signaled. If it gets timeout,
 * we identify it as a real guilty job.
 */
if (amdgpu_gpu_recovery == 2 &&
	!(tmp_vram_lost_counter < atomic_read(&adev->vram_lost_counter)({ typeof(*(&adev->vram_lost_counter)) __tmp = *(volatile
 typeof(*(&adev->vram_lost_counter)) *)&(*(&adev
->vram_lost_counter)); membar_datadep_consumer(); __tmp; }
)))
	amdgpu_device_recheck_guilty_jobs(
		tmp_adev, device_list_handle, reset_context);

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
	struct amdgpu_ring *ring = tmp_adev->rings[i];

	if (!ring || !ring->sched.thread)
		continue;

	/* No point to resubmit jobs if we didn't HW reset*/
	if (!tmp_adev->asic_reset_res && !job_signaled)
		drm_sched_resubmit_jobs(&ring->sched);

	drm_sched_start(&ring->sched, !tmp_adev->asic_reset_res);
}

if (adev->enable_mes && adev->ip_versions[GC_HWIP][0] != IP_VERSION(11, 0, 3)(((11) << 16) | ((0) << 8) | (3)))
	amdgpu_mes_self_test(tmp_adev);

if (!drm_drv_uses_atomic_modeset(adev_to_drm(tmp_adev)) && !job_signaled) {
	drm_helper_resume_force_mode(adev_to_drm(tmp_adev));
}

if (tmp_adev->asic_reset_res)
	r = tmp_adev->asic_reset_res;

tmp_adev->asic_reset_res = 0;

if (r) {
	/* bad news, how to tell it to userspace ? */
	dev_info(tmp_adev->dev, "GPU reset(%d) failed\n", atomic_read(&tmp_adev->gpu_reset_counter))do { } while(0);
	amdgpu_vf_error_put(tmp_adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r);
} else {
	dev_info(tmp_adev->dev, "GPU reset(%d) succeeded!\n", atomic_read(&tmp_adev->gpu_reset_counter))do { } while(0);
	if (amdgpu_acpi_smart_shift_update(adev_to_drm(tmp_adev), AMDGPU_SS_DEV_D0))
		DRM_WARN("smart shift update failed\n")printk("\0014" "[" "drm" "] " "smart shift update failed\n");
}
}

5677skip_sched_resume:
list_for_each_entry(tmp_adev, device_list_handle, reset_list)for (tmp_adev = ({ const __typeof( ((__typeof(*tmp_adev) *)0)
->reset_list ) *__mptr = ((device_list_handle)->next); (
__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof(__typeof
(*tmp_adev), reset_list) );}); &tmp_adev->reset_list !=
 (device_list_handle); tmp_adev = ({ const __typeof( ((__typeof
(*tmp_adev) *)0)->reset_list ) *__mptr = (tmp_adev->reset_list
.next); (__typeof(*tmp_adev) *)( (char *)__mptr - __builtin_offsetof
(__typeof(*tmp_adev), reset_list) );})) {
/* unlock kfd: SRIOV would do it separately */
if (!need_emergency_restart && !amdgpu_sriov_vf(tmp_adev)((tmp_adev)->virt.caps & (1 << 2)))
	amdgpu_amdkfd_post_reset(tmp_adev);

/* kfd_post_reset will do nothing if kfd device is not initialized,
 * need to bring up kfd here if it's not be initialized before
 */
if (!adev->kfd.init_complete)
	amdgpu_amdkfd_device_init(adev);

if (audio_suspended)
	amdgpu_device_resume_display_audio(tmp_adev);

amdgpu_device_unset_mp1_state(tmp_adev);
}

5695recover_end:
tmp_adev = list_first_entry(device_list_handle, struct amdgpu_device,({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );})
			    reset_list)({ const __typeof( ((struct amdgpu_device *)0)->reset_list
 ) *__mptr = ((device_list_handle)->next); (struct amdgpu_device
 *)( (char *)__mptr - __builtin_offsetof(struct amdgpu_device
, reset_list) );});
amdgpu_device_unlock_reset_domain(tmp_adev->reset_domain);

if (hive) {
mutex_unlock(&hive->hive_lock)rw_exit_write(&hive->hive_lock);
amdgpu_put_xgmi_hive(hive);
}

if (r)
dev_info(adev->dev, "GPU reset end with ret = %d\n", r)do { } while(0);

atomic_set(&adev->reset_domain->reset_res, r)({ typeof(*(&adev->reset_domain->reset_res)) __tmp =
 ((r)); *(volatile typeof(*(&adev->reset_domain->reset_res
)) *)&(*(&adev->reset_domain->reset_res)) = __tmp
; __tmp; });
return r;
5710}

5712/**
* amdgpu_device_get_pcie_info - fence pcie info about the PCIE slot
*
* @adev: amdgpu_device pointer
*
* Fetchs and stores in the driver the PCIE capabilities (gen speed
* and lanes) of the slot the device is in. Handles APUs and
* virtualized environments where PCIE config space may not be available.
*/
5721static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev)
5722{
struct pci_dev *pdev;
enum pci_bus_speed speed_cap, platform_speed_cap;
28
←
'platform_speed_cap' declared without an initial value→
enum pcie_link_width platform_link_width;

if (amdgpu_pcie_gen_cap)
29
←
Assuming 'amdgpu_pcie_gen_cap' is 0→
30
←
Taking false branch→
adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap;

if (amdgpu_pcie_lane_cap)
31
←
Assuming 'amdgpu_pcie_lane_cap' is 0→
32
←
Taking false branch→
adev->pm.pcie_mlw_mask = amdgpu_pcie_lane_cap;

/* covers APUs as well */
if (pci_is_root_bus(adev->pdev->bus)) {
if (adev->pm.pcie_gen_mask == 0)
	adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK(0x00010000 | 0x00020000 | 0x00000001 | 0x00000002 | 0x00000004
);
if (adev->pm.pcie_mlw_mask == 0)
	adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK(0x00010000 | 0x00020000 | 0x00040000 | 0x00080000 | 0x00200000
);
return;
}

if (adev->pm.pcie_gen_mask && adev->pm.pcie_mlw_mask)
33
←
Assuming field 'pcie_gen_mask' is 0→
return;

pcie_bandwidth_available(adev->pdev, NULL((void *)0),
34
←
Calling 'pcie_bandwidth_available'→
38
←
Returning from 'pcie_bandwidth_available'→
		 &platform_speed_cap, &platform_link_width);

if (adev->pm.pcie_gen_mask38.1
Field 'pcie_gen_mask' is equal to 0
1
Field 'pcie_gen_mask' is equal to 0
 == 0) {
39
←
Taking true branch→
/* asic caps */
pdev = adev->pdev;
speed_cap = pcie_get_speed_cap(pdev);
if (speed_cap == PCI_SPEED_UNKNOWN) {
40
←
Assuming 'speed_cap' is equal to PCI_SPEED_UNKNOWN→
41
←
Taking true branch→
	adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001 |
				  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN20x00000002 |
				  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN30x00000004);
} else {
	if (speed_cap == PCIE_SPEED_32_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN20x00000002 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN30x00000004 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN40x00000008 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN50x00000010);
	else if (speed_cap == PCIE_SPEED_16_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN20x00000002 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN30x00000004 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN40x00000008);
	else if (speed_cap == PCIE_SPEED_8_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN20x00000002 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN30x00000004);
	else if (speed_cap == PCIE_SPEED_5_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001 |
					  CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN20x00000002);
	else
		adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN10x00000001;
}
/* platform caps */
if (platform_speed_cap == PCI_SPEED_UNKNOWN) {
42
←
The left operand of '==' is a garbage value
	adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000 |
				   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN20x00020000);
} else {
	if (platform_speed_cap == PCIE_SPEED_32_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN20x00020000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN30x00040000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN40x00080000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN50x00100000);
	else if (platform_speed_cap == PCIE_SPEED_16_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN20x00020000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN30x00040000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN40x00080000);
	else if (platform_speed_cap == PCIE_SPEED_8_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN20x00020000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN30x00040000);
	else if (platform_speed_cap == PCIE_SPEED_5_0GT)
		adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000 |
					   CAIL_PCIE_LINK_SPEED_SUPPORT_GEN20x00020000);
	else
		adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN10x00010000;

}
}
if (adev->pm.pcie_mlw_mask == 0) {
if (platform_link_width == PCIE_LNK_WIDTH_UNKNOWN) {
	adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK(0x00010000 | 0x00020000 | 0x00040000 | 0x00080000 | 0x00200000
);
} else {
	switch (platform_link_width) {
	case PCIE_LNK_X32:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X320x00400000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X160x00200000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X120x00100000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X80x00080000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X40x00040000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X16:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X160x00200000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X120x00100000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X80x00080000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X40x00040000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X12:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X120x00100000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X80x00080000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X40x00040000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X8:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X80x00080000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X40x00040000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X4:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X40x00040000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X2:
		adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X20x00020000 |
					  CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000);
		break;
	case PCIE_LNK_X1:
		adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X10x00010000;
		break;
	default:
		break;
	}
}
}
5858}

5860/**
* amdgpu_device_is_peer_accessible - Check peer access through PCIe BAR
*
* @adev: amdgpu_device pointer
* @peer_adev: amdgpu_device pointer for peer device trying to access @adev
*
* Return true if @peer_adev can access (DMA) @adev through the PCIe
* BAR, i.e. @adev is "large BAR" and the BAR matches the DMA mask of
* @peer_adev.
*/
5870bool_Bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
		      struct amdgpu_device *peer_adev)
5872{
5873#ifdef CONFIG_HSA_AMD_P2P
uint64_t address_mask = peer_adev->dev->dma_mask ?
~*peer_adev->dev->dma_mask : ~((1ULL << 32) - 1);
resource_size_t aper_limit =
adev->gmc.aper_base + adev->gmc.aper_size - 1;
bool_Bool p2p_access =
!adev->gmc.xgmi.connected_to_cpu &&
!(pci_p2pdma_distance(adev->pdev, peer_adev->dev, false0) < 0);

return pcie_p2p && p2p_access && (adev->gmc.visible_vram_size &&
adev->gmc.real_vram_size == adev->gmc.visible_vram_size &&
!(adev->gmc.aper_base & address_mask ||
  aper_limit & address_mask));
5886#else
return false0;
5888#endif
5889}

5891int amdgpu_device_baco_enter(struct drm_device *dev)
5892{
struct amdgpu_device *adev = drm_to_adev(dev);
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);

if (!amdgpu_device_supports_baco(adev_to_drm(adev)))
return -ENOTSUPP91;

if (ras && adev->ras_enabled &&
   adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, false0);

return amdgpu_dpm_baco_enter(adev);
5904}

5906int amdgpu_device_baco_exit(struct drm_device *dev)
5907{
struct amdgpu_device *adev = drm_to_adev(dev);
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
int ret = 0;

if (!amdgpu_device_supports_baco(adev_to_drm(adev)))
return -ENOTSUPP91;

ret = amdgpu_dpm_baco_exit(adev);
if (ret)
return ret;

if (ras && adev->ras_enabled &&
   adev->nbio.funcs->enable_doorbell_interrupt)
adev->nbio.funcs->enable_doorbell_interrupt(adev, true1);

if (amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3)) &&
   adev->nbio.funcs->clear_doorbell_interrupt)
adev->nbio.funcs->clear_doorbell_interrupt(adev);

return 0;
5928}

5930/**
* amdgpu_pci_error_detected - Called when a PCI error is detected.
* @pdev: PCI device struct
* @state: PCI channel state
*
* Description: Called when a PCI error is detected.
*
* Return: PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT.
*/
5939pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5940{
STUB()do { printf("%s: stub\n", __func__); } while(0);
return 0;
5943#ifdef notyet
struct drm_device *dev = pci_get_drvdata(pdev);
struct amdgpu_device *adev = drm_to_adev(dev);
int i;

DRM_INFO("PCI error: detected callback, state(%d)!!\n", state)printk("\0016" "[" "drm" "] " "PCI error: detected callback, state(%d)!!\n"
, state);

if (adev->gmc.xgmi.num_physical_nodes > 1) {
DRM_WARN("No support for XGMI hive yet...")printk("\0014" "[" "drm" "] " "No support for XGMI hive yet..."
);
return PCI_ERS_RESULT_DISCONNECT0;
}

adev->pci_channel_state = state;

switch (state) {
case pci_channel_io_normal:
return PCI_ERS_RESULT_CAN_RECOVER;
/* Fatal error, prepare for slot reset */
case pci_channel_io_frozen:
/*
 * Locking adev->reset_domain->sem will prevent any external access
 * to GPU during PCI error recovery
 */
amdgpu_device_lock_reset_domain(adev->reset_domain);
amdgpu_device_set_mp1_state(adev);

/*
 * Block any work scheduling as we do for regular GPU reset
 * for the duration of the recovery
 */
for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
	struct amdgpu_ring *ring = adev->rings[i];

	if (!ring || !ring->sched.thread)
		continue;

	drm_sched_stop(&ring->sched, NULL((void *)0));
}
atomic_inc(&adev->gpu_reset_counter)__sync_fetch_and_add(&adev->gpu_reset_counter, 1);
return PCI_ERS_RESULT_NEED_RESET;
case pci_channel_io_perm_failure:
/* Permanent error, prepare for device removal */
return PCI_ERS_RESULT_DISCONNECT0;
}

return PCI_ERS_RESULT_NEED_RESET;
5989#endif
5990}

5992/**
* amdgpu_pci_mmio_enabled - Enable MMIO and dump debug registers
* @pdev: pointer to PCI device
*/
5996pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev)
5997{

DRM_INFO("PCI error: mmio enabled callback!!\n")printk("\0016" "[" "drm" "] " "PCI error: mmio enabled callback!!\n"
);

/* TODO - dump whatever for debugging purposes */

/* This called only if amdgpu_pci_error_detected returns
* PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
* works, no need to reset slot.
*/

return PCI_ERS_RESULT_RECOVERED1;
6009}

6011/**
* amdgpu_pci_slot_reset - Called when PCI slot has been reset.
* @pdev: PCI device struct
*
* Description: This routine is called by the pci error recovery
* code after the PCI slot has been reset, just before we
* should resume normal operations.
*/
6019pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev)
6020{
STUB()do { printf("%s: stub\n", __func__); } while(0);
return PCI_ERS_RESULT_RECOVERED1;
6023#ifdef notyet
struct drm_device *dev = pci_get_drvdata(pdev);
struct amdgpu_device *adev = drm_to_adev(dev);
int r, i;
struct amdgpu_reset_context reset_context;
u32 memsize;
struct list_head device_list;

DRM_INFO("PCI error: slot reset callback!!\n")printk("\0016" "[" "drm" "] " "PCI error: slot reset callback!!\n"
);

memset(&reset_context, 0, sizeof(reset_context))__builtin_memset((&reset_context), (0), (sizeof(reset_context
)));

INIT_LIST_HEAD(&device_list);
list_add_tail(&adev->reset_list, &device_list);

/* wait for asic to come out of reset */
drm_msleep(500)mdelay(500);

/* Restore PCI confspace */
amdgpu_device_load_pci_state(pdev);

/* confirm  ASIC came out of reset */
for (i = 0; i < adev->usec_timeout; i++) {
memsize = amdgpu_asic_get_config_memsize(adev)(adev)->asic_funcs->get_config_memsize((adev));

if (memsize != 0xffffffff)
	break;
udelay(1);
}
if (memsize == 0xffffffff) {
r = -ETIME60;
goto out;
}

reset_context.method = AMD_RESET_METHOD_NONE;
reset_context.reset_req_dev = adev;
set_bit(AMDGPU_NEED_FULL_RESET, &reset_context.flags);
set_bit(AMDGPU_SKIP_HW_RESET, &reset_context.flags);

adev->no_hw_access = true1;
r = amdgpu_device_pre_asic_reset(adev, &reset_context);
adev->no_hw_access = false0;
if (r)
goto out;

r = amdgpu_do_asic_reset(&device_list, &reset_context);

6070out:
if (!r) {
if (amdgpu_device_cache_pci_state(adev->pdev))
	pci_restore_state(adev->pdev);

DRM_INFO("PCIe error recovery succeeded\n")printk("\0016" "[" "drm" "] " "PCIe error recovery succeeded\n"
);
} else {
DRM_ERROR("PCIe error recovery failed, err:%d", r)__drm_err("PCIe error recovery failed, err:%d", r);
amdgpu_device_unset_mp1_state(adev);
amdgpu_device_unlock_reset_domain(adev->reset_domain);
}

return r ? PCI_ERS_RESULT_DISCONNECT0 : PCI_ERS_RESULT_RECOVERED1;
6083#endif
6084}

6086/**
* amdgpu_pci_resume() - resume normal ops after PCI reset
* @pdev: pointer to PCI device
*
* Called when the error recovery driver tells us that its
* OK to resume normal operation.
*/
6093void amdgpu_pci_resume(struct pci_dev *pdev)
6094{
STUB()do { printf("%s: stub\n", __func__); } while(0);
6096#ifdef notyet
struct drm_device *dev = pci_get_drvdata(pdev);
struct amdgpu_device *adev = drm_to_adev(dev);
int i;


DRM_INFO("PCI error: resume callback!!\n")printk("\0016" "[" "drm" "] " "PCI error: resume callback!!\n"
);

/* Only continue execution for the case of pci_channel_io_frozen */
if (adev->pci_channel_state != pci_channel_io_frozen)
return;

for (i = 0; i < AMDGPU_MAX_RINGS28; ++i) {
struct amdgpu_ring *ring = adev->rings[i];

if (!ring || !ring->sched.thread)
	continue;


drm_sched_resubmit_jobs(&ring->sched);
drm_sched_start(&ring->sched, true1);
}

amdgpu_device_unset_mp1_state(adev);
amdgpu_device_unlock_reset_domain(adev->reset_domain);
6121#endif
6122}

6124bool_Bool amdgpu_device_cache_pci_state(struct pci_dev *pdev)
6125{
return false0;
6127#ifdef notyet
struct drm_device *dev = pci_get_drvdata(pdev);
struct amdgpu_device *adev = drm_to_adev(dev);
int r;

r = pci_save_state(pdev);
if (!r) {
kfree(adev->pci_state);

adev->pci_state = pci_store_saved_state(pdev);

if (!adev->pci_state) {
	DRM_ERROR("Failed to store PCI saved state")__drm_err("Failed to store PCI saved state");
	return false0;
}
} else {
DRM_WARN("Failed to save PCI state, err:%d\n", r)printk("\0014" "[" "drm" "] " "Failed to save PCI state, err:%d\n"
, r);
return false0;
}

return true1;
6148#endif
6149}

6151bool_Bool amdgpu_device_load_pci_state(struct pci_dev *pdev)
6152{
STUB()do { printf("%s: stub\n", __func__); } while(0);
return false0;
6155#ifdef notyet
struct drm_device *dev = pci_get_drvdata(pdev);
struct amdgpu_device *adev = drm_to_adev(dev);
int r;

if (!adev->pci_state)
return false0;

r = pci_load_saved_state(pdev, adev->pci_state);

if (!r) {
pci_restore_state(pdev);
} else {
DRM_WARN("Failed to load PCI state, err:%d\n", r)printk("\0014" "[" "drm" "] " "Failed to load PCI state, err:%d\n"
, r);
return false0;
}

return true1;
6173#endif
6174}

6176void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
struct amdgpu_ring *ring)
6178{
6179#ifdef CONFIG_X86_641
if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3)))
return;
6182#endif
if (adev->gmc.xgmi.connected_to_cpu)
return;

if (ring && ring->funcs->emit_hdp_flush)
amdgpu_ring_emit_hdp_flush(ring)(ring)->funcs->emit_hdp_flush((ring));
else
amdgpu_asic_flush_hdp(adev, ring)((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->
flush_hdp((adev), (ring)) : (adev)->hdp.funcs->flush_hdp
((adev), (ring)));
6190}

6192void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
struct amdgpu_ring *ring)
6194{
6195#ifdef CONFIG_X86_641
if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)((adev)->virt.caps & (1 << 3)))
return;
6198#endif
if (adev->gmc.xgmi.connected_to_cpu)
return;

amdgpu_asic_invalidate_hdp(adev, ring)((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs
->invalidate_hdp((adev), (ring)) : ((adev)->hdp.funcs->
invalidate_hdp ? (adev)->hdp.funcs->invalidate_hdp((adev
), (ring)) : 0));
6203}

6205int amdgpu_in_reset(struct amdgpu_device *adev)
6206{
return atomic_read(&adev->reset_domain->in_gpu_reset)({ typeof(*(&adev->reset_domain->in_gpu_reset)) __tmp
 = *(volatile typeof(*(&adev->reset_domain->in_gpu_reset
)) *)&(*(&adev->reset_domain->in_gpu_reset)); membar_datadep_consumer
(); __tmp; });
}

6210/**
* amdgpu_device_halt() - bring hardware to some kind of halt state
*
* @adev: amdgpu_device pointer
*
* Bring hardware to some kind of halt state so that no one can touch it
* any more. It will help to maintain error context when error occurred.
* Compare to a simple hang, the system will keep stable at least for SSH
* access. Then it should be trivial to inspect the hardware state and
* see what's going on. Implemented as following:
*
* 1. drm_dev_unplug() makes device inaccessible to user space(IOCTLs, etc),
*    clears all CPU mappings to device, disallows remappings through page faults
* 2. amdgpu_irq_disable_all() disables all interrupts
* 3. amdgpu_fence_driver_hw_fini() signals all HW fences
* 4. set adev->no_hw_access to avoid potential crashes after setp 5
* 5. amdgpu_device_unmap_mmio() clears all MMIO mappings
* 6. pci_disable_device() and pci_wait_for_pending_transaction()
*    flush any in flight DMA operations
*/
6230void amdgpu_device_halt(struct amdgpu_device *adev)
6231{
struct pci_dev *pdev = adev->pdev;
struct drm_device *ddev = adev_to_drm(adev);

drm_dev_unplug(ddev);

amdgpu_irq_disable_all(adev);

amdgpu_fence_driver_hw_fini(adev);

adev->no_hw_access = true1;

amdgpu_device_unmap_mmio(adev);

pci_disable_device(pdev);
pci_wait_for_pending_transaction(pdev);
6247}

6249u32 amdgpu_device_pcie_port_rreg(struct amdgpu_device *adev,
		u32 reg)
6251{
unsigned long flags, address, data;
u32 r;

address = adev->nbio.funcs->get_pcie_port_index_offset(adev);
data = adev->nbio.funcs->get_pcie_port_data_offset(adev);

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
WREG32(address, reg * 4)amdgpu_device_wreg(adev, (address), (reg * 4), 0);
(void)RREG32(address)amdgpu_device_rreg(adev, (address), 0);
r = RREG32(data)amdgpu_device_rreg(adev, (data), 0);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);
return r;
6264}

6266void amdgpu_device_pcie_port_wreg(struct amdgpu_device *adev,
		u32 reg, u32 v)
6268{
unsigned long flags, address, data;

address = adev->nbio.funcs->get_pcie_port_index_offset(adev);
data = adev->nbio.funcs->get_pcie_port_data_offset(adev);

spin_lock_irqsave(&adev->pcie_idx_lock, flags)do { flags = 0; mtx_enter(&adev->pcie_idx_lock); } while
 (0);
WREG32(address, reg * 4)amdgpu_device_wreg(adev, (address), (reg * 4), 0);
(void)RREG32(address)amdgpu_device_rreg(adev, (address), 0);
WREG32(data, v)amdgpu_device_wreg(adev, (data), (v), 0);
(void)RREG32(data)amdgpu_device_rreg(adev, (data), 0);
spin_unlock_irqrestore(&adev->pcie_idx_lock, flags)do { (void)(flags); mtx_leave(&adev->pcie_idx_lock); }
 while (0);
6280}

6282/**
* amdgpu_device_switch_gang - switch to a new gang
* @adev: amdgpu_device pointer
* @gang: the gang to switch to
*
* Try to switch to a new gang.
* Returns: NULL if we switched to the new gang or a reference to the current
* gang leader.
*/
6291struct dma_fence *amdgpu_device_switch_gang(struct amdgpu_device *adev,
			    struct dma_fence *gang)
6293{
struct dma_fence *old = NULL((void *)0);

do {
dma_fence_put(old);
rcu_read_lock();
old = dma_fence_get_rcu_safe(&adev->gang_submit);
rcu_read_unlock();

if (old == gang)
	break;

if (!dma_fence_is_signaled(old))
	return old;

} while (cmpxchg((struct dma_fence __force **)&adev->gang_submit,__sync_val_compare_and_swap((struct dma_fence **)&adev->
gang_submit, old, gang)
	 old, gang)__sync_val_compare_and_swap((struct dma_fence **)&adev->
gang_submit, old, gang) != old);

dma_fence_put(old);
return NULL((void *)0);
6313}

6315bool_Bool amdgpu_device_has_display_hardware(struct amdgpu_device *adev)
6316{
switch (adev->asic_type) {
6318#ifdef CONFIG_DRM_AMDGPU_SI
case CHIP_HAINAN:
6320#endif
case CHIP_TOPAZ:
/* chips with no display hardware */
return false0;
6324#ifdef CONFIG_DRM_AMDGPU_SI
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_VERDE:
case CHIP_OLAND:
6329#endif
6330#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_BONAIRE:
case CHIP_HAWAII:
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_MULLINS:
6336#endif
case CHIP_TONGA:
case CHIP_FIJI:
case CHIP_POLARIS10:
case CHIP_POLARIS11:
case CHIP_POLARIS12:
case CHIP_VEGAM:
case CHIP_CARRIZO:
case CHIP_STONEY:
/* chips with display hardware */
return true1;
default:
/* IP discovery */
if (!adev->ip_versions[DCE_HWIP][0] ||
    (adev->harvest_ip_mask & AMD_HARVEST_IP_DMU_MASK))
	return false0;
return true1;
}
6354}

←

/usr/src/sys/dev/pci/drm/include/linux/pci.h

1/*	$OpenBSD: pci.h,v 1.15 2023/12/23 14:18:27 kettenis Exp $	*/
2/*
3 * Copyright (c) 2015 Mark Kettenis
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17 
18#ifndef _LINUX_PCI_H_
19#define _LINUX_PCI_H_
20 
21#include <sys/types.h>
22/* sparc64 cpu.h needs time.h and siginfo.h (indirect via param.h) */
23#include <sys/param.h>
24#include <machine/cpu.h>
25 
26#include <dev/pci/pcireg.h>
27#include <dev/pci/pcivar.h>
28#include <dev/pci/pcidevs.h>
29#include <uvm/uvm_extern.h>
30 
31#include <linux/io.h>
32#include <linux/ioport.h>
33#include <linux/kobject.h>
34#include <linux/dma-mapping.h>
35#include <linux/mod_devicetable.h>
36 
37struct pci_dev;
38 
39struct pci_bus {
40	pci_chipset_tag_t pc;
41	unsigned char	number;
42	int		domain_nr;
43	pcitag_t	*bridgetag;
44	struct pci_dev	*self;
45};
46 
47struct pci_acpi {
48	struct aml_node	*node;
49};
50 
51struct pci_dev {
52	struct pci_bus	_bus;
53	struct pci_bus	*bus;
54 
55	unsigned int	devfn;
56	uint16_t	vendor;
57	uint16_t	device;
58	uint16_t	subsystem_vendor;
59	uint16_t	subsystem_device;
60	uint8_t		revision;
61	uint32_t	class;		/* class:subclass:interface */
62 
63	pci_chipset_tag_t pc;
64	pcitag_t	tag;
65	struct pci_softc *pci;
66 
67	int		irq;
68	int		msi_enabled;
69	uint8_t		no_64bit_msi;
70	uint8_t		ltr_path;
71 
72	struct pci_acpi dev;
73};
74#define PCI_ANY_ID(uint16_t) (~0U) (uint16_t) (~0U)
75 
76#define PCI_DEVICE(v, p).vendor = (v), .device = (p), .subvendor = (uint16_t) (~0U), .
subdevice = (uint16_t) (~0U)		\
77	.vendor = (v),			\
78	.device = (p),			\
79	.subvendor = PCI_ANY_ID(uint16_t) (~0U),	\
80	.subdevice = PCI_ANY_ID(uint16_t) (~0U)
81 
82#ifndef PCI_MEM_START0x100000
83#define PCI_MEM_START0x100000	0
84#endif
85 
86#ifndef PCI_MEM_END0xffffffff
87#define PCI_MEM_END0xffffffff	0xffffffff
88#endif
89 
90#ifndef PCI_MEM64_END0xffffffffffffffff
91#define PCI_MEM64_END0xffffffffffffffff	0xffffffffffffffff
92#endif
93 
94#define PCI_VENDOR_ID_APPLE0x106b	PCI_VENDOR_APPLE0x106b
95#define PCI_VENDOR_ID_ASUSTEK0x1043	PCI_VENDOR_ASUSTEK0x1043
96#define PCI_VENDOR_ID_ATI0x1002	PCI_VENDOR_ATI0x1002
97#define PCI_VENDOR_ID_DELL0x1028	PCI_VENDOR_DELL0x1028
98#define PCI_VENDOR_ID_HP0x103c	PCI_VENDOR_HP0x103c
99#define PCI_VENDOR_ID_IBM0x1014	PCI_VENDOR_IBM0x1014
100#define PCI_VENDOR_ID_INTEL0x8086	PCI_VENDOR_INTEL0x8086
101#define PCI_VENDOR_ID_SONY0x104d	PCI_VENDOR_SONY0x104d
102#define PCI_VENDOR_ID_VIA0x1106	PCI_VENDOR_VIATECH0x1106
103 
104#define PCI_DEVICE_ID_ATI_RADEON_QY0x5159	PCI_PRODUCT_ATI_RADEON_QY0x5159
105 
106#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET0x1af4	0x1af4
107#define PCI_SUBDEVICE_ID_QEMU0x1100			0x1100
108 
109#define PCI_DEVFN(slot, func)((slot) << 3 | (func))	((slot) << 3 | (func))
110#define PCI_SLOT(devfn)((devfn) >> 3)		((devfn) >> 3)
111#define PCI_FUNC(devfn)((devfn) & 0x7)		((devfn) & 0x7)
112#define PCI_BUS_NUM(devfn)(((devfn) >> 8) & 0xff)	(((devfn) >> 8) & 0xff)
113 
114#define pci_dev_put(x)
115 
116#define PCI_EXP_DEVSTA0x0a		0x0a
117#define PCI_EXP_DEVSTA_TRPND0x0020	0x0020
118#define PCI_EXP_LNKCAP0x0c		0x0c
119#define PCI_EXP_LNKCAP_CLKPM0x00040000	0x00040000
120#define PCI_EXP_LNKCTL0x10		0x10
121#define PCI_EXP_LNKCTL_HAWD0x0200	0x0200
122#define PCI_EXP_LNKCTL20x30		0x30
123#define PCI_EXP_LNKCTL2_ENTER_COMP0x0010	0x0010
124#define PCI_EXP_LNKCTL2_TX_MARGIN0x0380	0x0380
125#define PCI_EXP_LNKCTL2_TLS0x0000000f		PCI_PCIE_LCSR2_TLS0x0000000f
126#define PCI_EXP_LNKCTL2_TLS_2_5GT0x00000001	PCI_PCIE_LCSR2_TLS_2_50x00000001
127#define PCI_EXP_LNKCTL2_TLS_5_0GT0x00000002	PCI_PCIE_LCSR2_TLS_50x00000002
128#define PCI_EXP_LNKCTL2_TLS_8_0GT0x00000003	PCI_PCIE_LCSR2_TLS_80x00000003
129 
130#define PCI_COMMAND0x04		PCI_COMMAND_STATUS_REG0x04
131#define PCI_COMMAND_MEMORY0x00000002	PCI_COMMAND_MEM_ENABLE0x00000002
132 
133static inline int
134pci_read_config_dword(struct pci_dev *pdev, int reg, u32 *val)
135{
136	*val = pci_conf_read(pdev->pc, pdev->tag, reg);
137	return 0;
138} 
139 
140static inline int
141pci_read_config_word(struct pci_dev *pdev, int reg, u16 *val)
142{
143	uint32_t v;
144 
145	v = pci_conf_read(pdev->pc, pdev->tag, (reg & ~0x2));
146	*val = (v >> ((reg & 0x2) * 8));
147	return 0;
148} 
149 
150static inline int
151pci_read_config_byte(struct pci_dev *pdev, int reg, u8 *val)
152{
153	uint32_t v;
154 
155	v = pci_conf_read(pdev->pc, pdev->tag, (reg & ~0x3));
156	*val = (v >> ((reg & 0x3) * 8));
157	return 0;
158} 
159 
160static inline int
161pci_write_config_dword(struct pci_dev *pdev, int reg, u32 val)
162{
163	pci_conf_write(pdev->pc, pdev->tag, reg, val);
164	return 0;
165} 
166 
167static inline int
168pci_write_config_word(struct pci_dev *pdev, int reg, u16 val)
169{
170	uint32_t v;
171 
172	v = pci_conf_read(pdev->pc, pdev->tag, (reg & ~0x2));
173	v &= ~(0xffff << ((reg & 0x2) * 8));
174	v |= (val << ((reg & 0x2) * 8));
175	pci_conf_write(pdev->pc, pdev->tag, (reg & ~0x2), v);
176	return 0;
177} 
178 
179static inline int
180pci_write_config_byte(struct pci_dev *pdev, int reg, u8 val)
181{
182	uint32_t v;
183 
184	v = pci_conf_read(pdev->pc, pdev->tag, (reg & ~0x3));
185	v &= ~(0xff << ((reg & 0x3) * 8));
186	v |= (val << ((reg & 0x3) * 8));
187	pci_conf_write(pdev->pc, pdev->tag, (reg & ~0x3), v);
188	return 0;
189}
190 
191static inline int
192pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn,
193    int reg, u16 *val)
194{
195	pcitag_t tag = pci_make_tag(bus->pc, bus->number,
196	    PCI_SLOT(devfn)((devfn) >> 3), PCI_FUNC(devfn)((devfn) & 0x7));
197	uint32_t v;
198 
199	v = pci_conf_read(bus->pc, tag, (reg & ~0x2));
200	*val = (v >> ((reg & 0x2) * 8));
201	return 0;
202}
203 
204static inline int
205pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn,
206    int reg, u8 *val)
207{
208	pcitag_t tag = pci_make_tag(bus->pc, bus->number,
209	    PCI_SLOT(devfn)((devfn) >> 3), PCI_FUNC(devfn)((devfn) & 0x7));
210	uint32_t v;
211 
212	v = pci_conf_read(bus->pc, tag, (reg & ~0x3));
213	*val = (v >> ((reg & 0x3) * 8));
214	return 0;
215}
216 
217static inline int
218pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn,
219    int reg, u8 val)
220{
221	pcitag_t tag = pci_make_tag(bus->pc, bus->number,
222	    PCI_SLOT(devfn)((devfn) >> 3), PCI_FUNC(devfn)((devfn) & 0x7));
223	uint32_t v;
224 
225	v = pci_conf_read(bus->pc, tag, (reg & ~0x3));
226	v &= ~(0xff << ((reg & 0x3) * 8));
227	v |= (val << ((reg & 0x3) * 8));
228	pci_conf_write(bus->pc, tag, (reg & ~0x3), v);
229	return 0;
230}
231 
232static inline int
233pci_pcie_cap(struct pci_dev *pdev)
234{
235	int pos;
236	if (!pci_get_capability(pdev->pc, pdev->tag, PCI_CAP_PCIEXPRESS0x10,
237	    &pos, NULL((void *)0)))
238		return -EINVAL22;
239	return pos;
240}
241 
242bool_Bool pcie_aspm_enabled(struct pci_dev *);
243 
244static inline bool_Bool
245pci_is_pcie(struct pci_dev *pdev)
246{
247	return (pci_pcie_cap(pdev) > 0);
248}
249 
250static inline bool_Bool
251pci_is_root_bus(struct pci_bus *pbus)
252{
253	return (pbus->bridgetag == NULL((void *)0));
254}
255 
256static inline struct pci_dev *
257pci_upstream_bridge(struct pci_dev *pdev)
258{
259	if (pci_is_root_bus(pdev->bus))
260		return NULL((void *)0);
261	return pdev->bus->self;
262}
263 
264/* XXX check for ACPI _PR3 */
265static inline bool_Bool
266pci_pr3_present(struct pci_dev *pdev)
267{
268	return false0;
269}
270 
271static inline int
272pcie_capability_read_dword(struct pci_dev *pdev, int off, u32 *val)
273{
274	int pos;
275	if (!pci_get_capability(pdev->pc, pdev->tag, PCI_CAP_PCIEXPRESS0x10,
276	    &pos, NULL((void *)0))) {
277		*val = 0;
278		return -EINVAL22;
279	}
280	*val = pci_conf_read(pdev->pc, pdev->tag, pos + off);
281	return 0;
282}
283 
284static inline int
285pcie_capability_read_word(struct pci_dev *pdev, int off, u16 *val)
286{
287	int pos;
288	if (!pci_get_capability(pdev->pc, pdev->tag, PCI_CAP_PCIEXPRESS0x10,
289	    &pos, NULL((void *)0))) {
290		*val = 0;
291		return -EINVAL22;
292	}
293	pci_read_config_word(pdev, pos + off, val);
294	return 0;
295}
296 
297static inline int
298pcie_capability_write_word(struct pci_dev *pdev, int off, u16 val)
299{
300	int pos;
301	if (!pci_get_capability(pdev->pc, pdev->tag, PCI_CAP_PCIEXPRESS0x10,
302	    &pos, NULL((void *)0)))
303		return -EINVAL22;
304	pci_write_config_word(pdev, pos + off, val);
305	return 0;
306}
307 
308static inline int
309pcie_capability_set_word(struct pci_dev *pdev, int off, u16 val)
310{
311	u16 r;
312	pcie_capability_read_word(pdev, off, &r);
313	r |= val;
314	pcie_capability_write_word(pdev, off, r);
315	return 0;
316}
317 
318static inline int
319pcie_capability_clear_and_set_word(struct pci_dev *pdev, int off, u16 c, u16 s)
320{
321	u16 r;
322	pcie_capability_read_word(pdev, off, &r);
323	r &= ~c;
324	r |= s;
325	pcie_capability_write_word(pdev, off, r);
326	return 0;
327}
328 
329static inline int
330pcie_get_readrq(struct pci_dev *pdev)
331{
332	uint16_t val;
333 
334	pcie_capability_read_word(pdev, PCI_PCIE_DCSR0x08, &val);
335 
336	return 128 << ((val & PCI_PCIE_DCSR_MPS0x00007000) >> 12);
337}
338 
339static inline int
340pcie_set_readrq(struct pci_dev *pdev, int rrq)
341{
342	uint16_t val;
343	
344	pcie_capability_read_word(pdev, PCI_PCIE_DCSR0x08, &val);
345	val &= ~PCI_PCIE_DCSR_MPS0x00007000;
346	val |= (ffs(rrq) - 8) << 12;
347	return pcie_capability_write_word(pdev, PCI_PCIE_DCSR0x08, val);
348}
349 
350static inline void
351pci_set_master(struct pci_dev *pdev)
352{
353}
354 
355static inline void
356pci_clear_master(struct pci_dev *pdev)
357{
358}
359 
360static inline void
361pci_save_state(struct pci_dev *pdev)
362{
363}
364 
365static inline void
366pci_restore_state(struct pci_dev *pdev)
367{
368}
369 
370static inline int
371pci_enable_msi(struct pci_dev *pdev)
372{
373	return 0;
374}
375 
376static inline void
377pci_disable_msi(struct pci_dev *pdev)
378{
379}
380 
381typedef enum {
382	PCI_D0,
383	PCI_D1,
384	PCI_D2,
385	PCI_D3hot,
386	PCI_D3cold
387} pci_power_t;
388 
389enum pci_bus_speed {
390	PCIE_SPEED_2_5GT,
391	PCIE_SPEED_5_0GT,
392	PCIE_SPEED_8_0GT,
393	PCIE_SPEED_16_0GT,
394	PCIE_SPEED_32_0GT,
395	PCIE_SPEED_64_0GT,
396	PCI_SPEED_UNKNOWN
397};
398 
399enum pcie_link_width {
400	PCIE_LNK_X1	= 1,
401	PCIE_LNK_X2	= 2,
402	PCIE_LNK_X4	= 4,
403	PCIE_LNK_X8	= 8,
404	PCIE_LNK_X12	= 12,
405	PCIE_LNK_X16	= 16,
406	PCIE_LNK_X32	= 32,
407	PCIE_LNK_WIDTH_UNKNOWN	= 0xff
408};
409 
410typedef unsigned int pci_ers_result_t;
411typedef unsigned int pci_channel_state_t;
412 
413#define PCI_ERS_RESULT_DISCONNECT0	0
414#define PCI_ERS_RESULT_RECOVERED1	1
415 
416enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *);
417enum pcie_link_width pcie_get_width_cap(struct pci_dev *);
418int pci_resize_resource(struct pci_dev *, int, int);
419 
420static inline void
421pcie_bandwidth_available(struct pci_dev *pdev, struct pci_dev **ldev,
422    enum pci_bus_speed *speed, enum pcie_link_width *width)
423{
424	struct pci_dev *bdev = pdev->bus->self;
425	if (bdev == NULL((void *)0))
35
←
Assuming 'bdev' is equal to NULL→
36
←
Taking true branch→
426		return;
37
←
Returning without writing to '*speed'→
427 
428	if (speed)
429		*speed = pcie_get_speed_cap(bdev);
430	if (width)
431		*width = pcie_get_width_cap(bdev);
432}
433 
434static inline int
435pci_enable_device(struct pci_dev *pdev)
436{
437	return 0;
438}
439 
440static inline void
441pci_disable_device(struct pci_dev *pdev)
442{
443}
444 
445static inline int
446pci_wait_for_pending_transaction(struct pci_dev *pdev)
447{
448	return 0;
449}
450 
451static inline bool_Bool
452pci_is_thunderbolt_attached(struct pci_dev *pdev)
453{
454	return false0;
455}
456 
457static inline void
458pci_set_drvdata(struct pci_dev *pdev, void *data)
459{
460}
461 
462static inline int
463pci_domain_nr(struct pci_bus *pbus)
464{
465	return pbus->domain_nr;
466}
467 
468static inline int
469pci_irq_vector(struct pci_dev *pdev, unsigned int num)
470{
471	return pdev->irq;
472}
473 
474static inline void
475pci_free_irq_vectors(struct pci_dev *pdev)
476{
477}
478 
479static inline int
480pci_set_power_state(struct pci_dev *dev, int state)
481{
482	return 0;
483}
484 
485struct pci_driver;
486 
487static inline int
488pci_register_driver(struct pci_driver *pci_drv)
489{
490	return 0;
491}
492 
493static inline void
494pci_unregister_driver(void *d)
495{
496}
497 
498#define PCI_CLASS_DISPLAY_VGA((0x03 << 8) | 0x00) \
499    ((PCI_CLASS_DISPLAY0x03 << 8) | PCI_SUBCLASS_DISPLAY_VGA0x00)
500#define PCI_CLASS_DISPLAY_OTHER((0x03 << 8) | 0x80) \
501    ((PCI_CLASS_DISPLAY0x03 << 8) | PCI_SUBCLASS_DISPLAY_MISC0x80)
502 
503#endif /* _LINUX_PCI_H_ */